[Tux4kids-commits] [SCM] tuxhistory - Educational history game branch, master, updated. 35b13e77e8791945eb14f09d83b21b825e635c3c

julio (none) julio at julio-desktop.
Sat Jun 5 19:37:12 UTC 2010


The following commit has been merged in the master branch:
commit 35b13e77e8791945eb14f09d83b21b825e635c3c
Author: julio <julio at julio-desktop.(none)>
Date:   Sat Jun 5 14:34:01 2010 -0500

    Remove missions data

diff --git a/data/missions/Makefile.am b/data/missions/Makefile.am
deleted file mode 100644
index 89abec7..0000000
--- a/data/missions/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-## Makefile.am for tuxmath - data/missions:
-## Process with Automake to create Makefile.in
-
-SUBDIRS = arcade campaign lessons multiplay
-
-missionsdir = $(pkgdatadir)/missions
-
-dist_missions_DATA = demo options
-
-
diff --git a/data/missions/arcade/Makefile.am b/data/missions/arcade/Makefile.am
deleted file mode 100644
index ea1c88e..0000000
--- a/data/missions/arcade/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-## Makefile.am for tuxmath - data/missions/arcade:
-## Process with Automake to create Makefile.in
-
-arcadedir = $(pkgdatadir)/missions/arcade
-
-dist_arcade_DATA = ace \
-  commando \
-  ranger \
-  scout \
-  space_cadet
diff --git a/data/missions/arcade/ace b/data/missions/arcade/ace
deleted file mode 100644
index 91c8bc9..0000000
--- a/data/missions/arcade/ace
+++ /dev/null
@@ -1,64 +0,0 @@
-# arcade_ace lesson file
-
-play_through_list = 0
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-allow_negatives = 1
-min_augend = -20
-max_augend = 20
-min_addend = -20
-max_addend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = -20
-max_subtrahend = 20
-min_multiplier = -20
-max_multiplier = 20
-min_multiplicand = -20
-max_multiplicand = 20
-min_divisor = -20
-max_divisor = 20
-min_quotient = -20
-max_quotient = 20
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-format_div_answer_last = 1
-format_div_answer_first = 1
-format_div_answer_middle = 1
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 250
-vary_list_length = 0
-max_answer = 400
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.25
-slow_after_wrong = 0
-max_questions = 25000
-bonus_comet_interval = 20
-allow_pause = 0
-bonus_speed_ratio = 2.0
-keep_score = 1
-
diff --git a/data/missions/arcade/commando b/data/missions/arcade/commando
deleted file mode 100644
index 398e13c..0000000
--- a/data/missions/arcade/commando
+++ /dev/null
@@ -1,63 +0,0 @@
-# arcade commando lesson file
-
-play_through_list = 0
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-allow_negatives = 1
-min_augend = -20
-max_augend = 20
-min_addend = -20
-max_addend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-min_multiplier = -20
-max_multiplier = 20
-min_multiplicand = -10
-max_multiplicand = 10
-min_divisor = -20
-max_divisor = 20
-min_quotient = -10
-max_quotient = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-format_div_answer_last = 1
-format_div_answer_first = 1
-format_div_answer_middle = 1
-randomize = 1
-comprehensive = 0
-min_formula_nums = 3
-max_formula_nums = 4
-avg_list_length = 250
-vary_list_length = 0
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 0.25
-max_speed = 40.00
-speedup_factor = 1.125
-slow_after_wrong = 1
-max_questions = 25000
-bonus_comet_interval = 20
-allow_pause = 0
-bonus_speed_ratio = 2.0
-keep_score = 1
-
diff --git a/data/missions/arcade/ranger b/data/missions/arcade/ranger
deleted file mode 100644
index ad70e09..0000000
--- a/data/missions/arcade/ranger
+++ /dev/null
@@ -1,64 +0,0 @@
-# arcade_ranger lesson file
-
-play_through_list = 0
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-allow_negatives = 0
-min_augend = 0
-max_augend = 20
-min_addend = 0
-max_addend = 20
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-min_multiplier = 0
-max_multiplier = 20
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 0
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-format_div_answer_last = 1
-format_div_answer_first = 1
-format_div_answer_middle = 1
-max_answer = 100
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 250
-vary_list_length = 0
-
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.2
-slow_after_wrong = 0
-max_questions = 25000
-bonus_comet_interval = 10
-allow_pause = 0
-bonus_speed_ratio = 1.8
-keep_score = 1
diff --git a/data/missions/arcade/scout b/data/missions/arcade/scout
deleted file mode 100644
index c1da932..0000000
--- a/data/missions/arcade/scout
+++ /dev/null
@@ -1,51 +0,0 @@
-# arcade_scout lesson file
-
-play_through_list = 0
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 0
-max_formula_nums = 2
-min_formula_nums = 2
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 250
-vary_list_length = 0
-max_answer = 20
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.15
-slow_after_wrong = 0
-max_questions = 5000
-bonus_comet_interval = 10
-allow_pause = 0
-bonus_speed_ratio = 1.5
-keep_score = 1
diff --git a/data/missions/arcade/space_cadet b/data/missions/arcade/space_cadet
deleted file mode 100644
index 9f7f297..0000000
--- a/data/missions/arcade/space_cadet
+++ /dev/null
@@ -1,42 +0,0 @@
-# arcade_space_ cadet lesson file
-
-play_through_list = 0
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 0
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 121
-vary_list_length = 0
-max_answer = 10
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.1
-slow_after_wrong = 0
-max_questions = 5000
-bonus_comet_interval = 10
-allow_pause = 0
-bonus_speed_ratio = 1.2
-keep_score = 1
diff --git a/data/missions/campaign/Makefile.am b/data/missions/campaign/Makefile.am
deleted file mode 100644
index ae51f09..0000000
--- a/data/missions/campaign/Makefile.am
+++ /dev/null
@@ -1,8 +0,0 @@
-## Makefile.am for tuxmath - data/missions/campaign:
-## Process with Automake to create Makefile.in
-
-SUBDIRS = ace cadet commando ranger scout
-
-campaigndir = $(pkgdatadir)/missions/campaign
-
-dist_campaign_DATA = campaign
diff --git a/data/missions/campaign/ace/Makefile.am b/data/missions/campaign/ace/Makefile.am
deleted file mode 100644
index 61b744d..0000000
--- a/data/missions/campaign/ace/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-## Makefile.am for tuxmath - data/missions/campaign/ace:
-## Process with Automake to create Makefile.in
-
-campaignacedir = $(pkgdatadir)/missions/campaign/ace
-
-dist_campaignace_DATA = ace \
-  bonus \
-  round1 \
-  round2 \
-  round3
diff --git a/data/missions/campaign/ace/ace b/data/missions/campaign/ace/ace
deleted file mode 100755
index c4771fa..0000000
--- a/data/missions/campaign/ace/ace
+++ /dev/null
@@ -1,23 +0,0 @@
-# campaign ace stage lesson file
-
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 1
-max_formula_nums = 2
-min_formula_nums = 2
-comprehensive = 1
-question_copies = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-max_answer = 200
-starting_comets = 3
-extra_comets_per_wave = 3
-max_comets = 12
-speed = 1.2
-max_speed = 10
-speedup_factor = 1.1
-bonus_comet_interval = 20
-vary_list_length = 0
-
diff --git a/data/missions/campaign/ace/bonus b/data/missions/campaign/ace/bonus
deleted file mode 100755
index baa79e8..0000000
--- a/data/missions/campaign/ace/bonus
+++ /dev/null
@@ -1,25 +0,0 @@
-#ace bonus round
-
-subtraction_allowed = 1
-addition_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-min_formula_nums = 2
-max_formula_nums = 5
-min_addend = -20
-max_addend = 20
-min_augend = -20
-max_augend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = -20
-max_subtrahend = 20
-min_multiplier = -10
-max_multiplier = 10
-min_multiplicand = -10
-max_multiplicand = 10
-min_divisor = -10
-max_divisor = 10
-min_quotient = -10
-max_quotient = 10
-avg_list_length = 20
diff --git a/data/missions/campaign/ace/round1 b/data/missions/campaign/ace/round1
deleted file mode 100644
index 6c5f8c3..0000000
--- a/data/missions/campaign/ace/round1
+++ /dev/null
@@ -1,11 +0,0 @@
-#ace round 1
-
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-allow_negatives = 0
-min_divisor = 0
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-avg_list_length = 40
diff --git a/data/missions/campaign/ace/round2 b/data/missions/campaign/ace/round2
deleted file mode 100644
index ab37a0a..0000000
--- a/data/missions/campaign/ace/round2
+++ /dev/null
@@ -1,15 +0,0 @@
-#ace round 2
-
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-allow_negatives = 1
-min_divisor = -12
-max_divisor = 12
-min_quotient = -12
-max_quotient = 12
-min_multiplier = -10
-max_multiplier = 10
-min_multiplicand = -10
-max_multiplicand = 10
-avg_list_length = 70
diff --git a/data/missions/campaign/ace/round3 b/data/missions/campaign/ace/round3
deleted file mode 100644
index 3f333ef..0000000
--- a/data/missions/campaign/ace/round3
+++ /dev/null
@@ -1,23 +0,0 @@
-#ace round 3
-
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-allow_negatives = 1
-min_divisor = -12
-max_divisor = 12
-min_quotient = -12
-max_quotient = 12
-min_multiplier = -12
-max_multiplier = 12
-min_multiplicand = -12
-max_multiplicand = 12
-min_addend = -10
-max_addend = 10
-min_augend = -10
-max_augend = 10
-min_minuend = -10
-max_minuend = 10
-min_subtrahend = -10
-max_subtrahend = 10
-avg_list_length = 100
\ No newline at end of file
diff --git a/data/missions/campaign/cadet/Makefile.am b/data/missions/campaign/cadet/Makefile.am
deleted file mode 100644
index 1461445..0000000
--- a/data/missions/campaign/cadet/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-## Makefile.am for tuxmath - data/missions/campaign/ace:
-## Process with Automake to create Makefile.in
-
-campaigncadetdir = $(pkgdatadir)/missions/campaign/cadet
-
-dist_campaigncadet_DATA = cadet \
-  bonus \
-  round1 \
-  round2 \
-  round3
diff --git a/data/missions/campaign/cadet/bonus b/data/missions/campaign/cadet/bonus
deleted file mode 100755
index 8a24de6..0000000
--- a/data/missions/campaign/cadet/bonus
+++ /dev/null
@@ -1,10 +0,0 @@
-#cadet bonus round
-
-typing_practice_allowed = 0
-addition_allowed = 0
-multiplication_allowed = 1
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-avg_list_length = 0
diff --git a/data/missions/campaign/cadet/cadet b/data/missions/campaign/cadet/cadet
deleted file mode 100755
index 0c00923..0000000
--- a/data/missions/campaign/cadet/cadet
+++ /dev/null
@@ -1,26 +0,0 @@
-# campaign cadet stage lesson file
-
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-typing_practice_allowed = 1
-allow_negatives = 0
-max_formula_nums = 2
-min_formula_nums = 2
-comprehensive = 1
-question_copies = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 50
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 6
-speed = 1.00
-max_speed = 10.00
-speedup_factor = 1.1
-bonus_comet_interval = 10
-vary_list_length = 0
-
diff --git a/data/missions/campaign/cadet/round1 b/data/missions/campaign/cadet/round1
deleted file mode 100755
index 483af1a..0000000
--- a/data/missions/campaign/cadet/round1
+++ /dev/null
@@ -1,7 +0,0 @@
-#cadet round 1
-
-typing_practice_allowed = 1
-addition_allowed = 0
-min_typing_num = 0
-max_typing_num = 20
-avg_list_length = 10
diff --git a/data/missions/campaign/cadet/round2 b/data/missions/campaign/cadet/round2
deleted file mode 100755
index b7d8a67..0000000
--- a/data/missions/campaign/cadet/round2
+++ /dev/null
@@ -1,9 +0,0 @@
-#cadet round 2
-
-typing_practice_allowed = 0
-addition_allowed = 1
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-avg_list_length = 30
diff --git a/data/missions/campaign/cadet/round3 b/data/missions/campaign/cadet/round3
deleted file mode 100755
index b07a9b2..0000000
--- a/data/missions/campaign/cadet/round3
+++ /dev/null
@@ -1,8 +0,0 @@
-#cadet round 3
-
-typing_practice_allowed = 0
-min_augend = 0
-max_augend = 20
-min_addend = 0
-max_addend = 20
-avg_list_length = 50
diff --git a/data/missions/campaign/campaign b/data/missions/campaign/campaign
deleted file mode 100755
index 330a463..0000000
--- a/data/missions/campaign/campaign
+++ /dev/null
@@ -1,17 +0,0 @@
-# campaign master lesson file
-
-play_through_list = 1
-allow_speedup = 1
-use_feedback = 0
-use_bkgd = 1
-demo_mode = 0
-repeat_wrongs = 1
-slow_after_wrong = 0
-max_questions = 5000
-randomize = 1
-comprehensive = 1
-allow_pause = 1
-bonus_speed_ratio = 1.8
-max_speed = 10.00
-keep_score = 0
-
diff --git a/data/missions/campaign/commando/Makefile.am b/data/missions/campaign/commando/Makefile.am
deleted file mode 100644
index d4b113c..0000000
--- a/data/missions/campaign/commando/Makefile.am
+++ /dev/null
@@ -1,9 +0,0 @@
-## Makefile.am for tuxmath - data/missions/campaign/commando:
-## Process with Automake to create Makefile.in
-
-campaigncommandodir = $(pkgdatadir)/missions/campaign/commando
-
-dist_campaigncommando_DATA = commando \
-  round1 \
-  round2 \
-  round3
diff --git a/data/missions/campaign/commando/commando b/data/missions/campaign/commando/commando
deleted file mode 100755
index e99b126..0000000
--- a/data/missions/campaign/commando/commando
+++ /dev/null
@@ -1,26 +0,0 @@
-# campaign commando stage lesson file
-
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 1
-max_formula_nums = 5
-min_formula_nums = 2
-comprehensive = 0
-question_copies = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-max_answer = 250
-starting_comets = 3
-extra_comets_per_wave = 3
-max_comets = 12
-speed = 1.1
-max_speed = 10.00
-speedup_factor = 1.05
-bonus_comet_interval = 20
-vary_list_length = 0
-
diff --git a/data/missions/campaign/commando/round1 b/data/missions/campaign/commando/round1
deleted file mode 100644
index 8658498..0000000
--- a/data/missions/campaign/commando/round1
+++ /dev/null
@@ -1,21 +0,0 @@
-#commando round 1
-
-allow_negatives = 1
-max_formula_nums = 2
-min_multiplier = -20
-max_multiplier = 20
-min_multiplicand = -20
-max_multiplicand = 20
-min_divisor = -20
-max_divisor = 20
-min_quotient = -20
-max_quotient = 20
-min_addend = -20
-max_addend = 20
-min_augend = -20
-max_augend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = -20
-max_subtrahend = 20
-avg_list_length = 40
diff --git a/data/missions/campaign/commando/round2 b/data/missions/campaign/commando/round2
deleted file mode 100644
index c2188d0..0000000
--- a/data/missions/campaign/commando/round2
+++ /dev/null
@@ -1,21 +0,0 @@
-#commando round 2
-
-max_formula_nums = 3
-allow_negatives = 1
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 0
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-min_addend = 0
-max_addend = 10
-min_augend = 0
-max_augend = 10
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-avg_list_length = 70
diff --git a/data/missions/campaign/commando/round3 b/data/missions/campaign/commando/round3
deleted file mode 100644
index 14dd7dd..0000000
--- a/data/missions/campaign/commando/round3
+++ /dev/null
@@ -1,22 +0,0 @@
-#commando round 3
-
-max_formula_nums = 3
-allow_negatives = 1
-typing_practice_allowed = 1
-min_multiplier = -12
-max_multiplier = 12
-min_multiplicand = -12
-max_multiplicand = 12
-min_divisor = -12
-max_divisor = 12
-min_quotient = -12
-max_quotient = 12
-min_addend = -20
-max_addend = 20
-min_augend = -20
-max_augend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = -20
-max_subtrahend = 20
-avg_list_length = 100
diff --git a/data/missions/campaign/ranger/Makefile.am b/data/missions/campaign/ranger/Makefile.am
deleted file mode 100644
index bf281ec..0000000
--- a/data/missions/campaign/ranger/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-## Makefile.am for tuxmath - data/missions/campaign/ranger:
-## Process with Automake to create Makefile.in
-
-campaignrangerdir = $(pkgdatadir)/missions/campaign/ranger
-
-dist_campaignranger_DATA = ranger \
-  bonus \
-  round1 \
-  round2 \
-  round3
diff --git a/data/missions/campaign/ranger/bonus b/data/missions/campaign/ranger/bonus
deleted file mode 100755
index 159622d..0000000
--- a/data/missions/campaign/ranger/bonus
+++ /dev/null
@@ -1,25 +0,0 @@
-#ranger bonus round
-
-subtraction_allowed = 1
-addition_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-min_formula_nums = 3
-max_formula_nums = 4
-min_addend = 0
-max_addend = 10
-min_augend = 0
-max_augend = 10
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 0
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-avg_list_length = 20
diff --git a/data/missions/campaign/ranger/ranger b/data/missions/campaign/ranger/ranger
deleted file mode 100755
index 650d890..0000000
--- a/data/missions/campaign/ranger/ranger
+++ /dev/null
@@ -1,26 +0,0 @@
-# campaign ranger stage lesson file
-
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 0
-typing_practice_allowed = 0
-allow_negatives = 1
-max_formula_nums = 2
-min_formula_nums = 2
-comprehensive = 1
-question_copies = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-max_answer = 150
-starting_comets = 3
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.0
-max_speed = 10.00
-speedup_factor = 1.2
-bonus_comet_interval = 20
-vary_list_length = 0
-
diff --git a/data/missions/campaign/ranger/round1 b/data/missions/campaign/ranger/round1
deleted file mode 100644
index 10cee76..0000000
--- a/data/missions/campaign/ranger/round1
+++ /dev/null
@@ -1,10 +0,0 @@
-#ranger round 1
-
-addition_allowed = 0
-subtraction_allowed = 0
-allow_negatives = 0
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-avg_list_length = 40
diff --git a/data/missions/campaign/ranger/round2 b/data/missions/campaign/ranger/round2
deleted file mode 100644
index 7880c70..0000000
--- a/data/missions/campaign/ranger/round2
+++ /dev/null
@@ -1,14 +0,0 @@
-#ranger round 2
-
-addition_allowed = 1
-subtraction_allowed = 0
-allow_negatives = 0
-min_multiplier = 0
-max_multiplier = 12
-min_multiplicand = 0
-max_multiplicand = 12
-min_addend = 0
-max_addend = 10
-min_augend = 0
-max_augend = 10
-avg_list_length = 70
diff --git a/data/missions/campaign/ranger/round3 b/data/missions/campaign/ranger/round3
deleted file mode 100644
index d661f23..0000000
--- a/data/missions/campaign/ranger/round3
+++ /dev/null
@@ -1,18 +0,0 @@
-#ranger round 3
-
-addition_allowed = 1
-subtraction_allowed = 1
-allow_negatives = 1
-min_multiplier = -12
-max_multiplier = 12
-min_multiplicand = -12
-max_multiplicand = 12
-min_addend = -20
-max_addend = 20
-min_augend = -20
-max_augend = 20
-min_minuend = -10
-max_minuend = 10
-min_subtrahend = -10
-max_subtrahend = 10
-avg_list_length = 100
\ No newline at end of file
diff --git a/data/missions/campaign/scout/Makefile.am b/data/missions/campaign/scout/Makefile.am
deleted file mode 100644
index 70e9b84..0000000
--- a/data/missions/campaign/scout/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-## Makefile.am for tuxmath - data/missions/campaign/scout:
-## Process with Automake to create Makefile.in
-
-campaignscoutdir = $(pkgdatadir)/missions/campaign/scout
-
-dist_campaignscout_DATA = scout \
-  bonus \
-  round1 \
-  round2 \
-  round3
diff --git a/data/missions/campaign/scout/bonus b/data/missions/campaign/scout/bonus
deleted file mode 100755
index adafc57..0000000
--- a/data/missions/campaign/scout/bonus
+++ /dev/null
@@ -1,16 +0,0 @@
-#scout bonus round
-
-subtraction_allowed = 0
-addition_allowed = 1
-multiplication_allowed = 1
-min_formula_nums = 2
-max_formula_nums = 3
-min_addend = 0
-max_addend = 10
-min_augend = 0
-max_augend = 10
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-avg_list_length = 20
diff --git a/data/missions/campaign/scout/round1 b/data/missions/campaign/scout/round1
deleted file mode 100644
index 8c415cf..0000000
--- a/data/missions/campaign/scout/round1
+++ /dev/null
@@ -1,8 +0,0 @@
-#scout round 1
-
-addition_allowed = 0
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-avg_list_length = 40
\ No newline at end of file
diff --git a/data/missions/campaign/scout/round2 b/data/missions/campaign/scout/round2
deleted file mode 100644
index ec6480e..0000000
--- a/data/missions/campaign/scout/round2
+++ /dev/null
@@ -1,8 +0,0 @@
-#scout round 2
-
-addition_allowed = 0
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-avg_list_length = 70
\ No newline at end of file
diff --git a/data/missions/campaign/scout/round3 b/data/missions/campaign/scout/round3
deleted file mode 100644
index 81413d9..0000000
--- a/data/missions/campaign/scout/round3
+++ /dev/null
@@ -1,12 +0,0 @@
-#scout round 3
-
-addition_allowed = 1
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-min_addend = 0
-max_addend = 10
-min_augend = 0
-max_augend = 10
-avg_list_length = 100
\ No newline at end of file
diff --git a/data/missions/campaign/scout/scout b/data/missions/campaign/scout/scout
deleted file mode 100755
index 46c17e8..0000000
--- a/data/missions/campaign/scout/scout
+++ /dev/null
@@ -1,26 +0,0 @@
-# campaign scout stage lesson file
-
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-typing_practice_allowed = 0
-allow_negatives = 0
-max_formula_nums = 2
-min_formula_nums = 2
-comprehensive = 1
-question_copies = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 100
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 8
-max_speed = 10
-speed = 1.00
-speedup_factor = 1.1
-bonus_comet_interval = 15
-vary_list_length = 0
-
diff --git a/data/missions/demo b/data/missions/demo
deleted file mode 100644
index 09dcf52..0000000
--- a/data/missions/demo
+++ /dev/null
@@ -1,504 +0,0 @@
-############################################################
-#                                                          #
-#       Tuxmath configuration file for the "demo" mode     #
-#       selected on the "More options" menu item.          #
-#                                                          #
-############################################################
-############################################################
-#                                                          #
-#              Tuxmath Configuration File                  #
-#                                                          #
-# The behavior of Tuxmath can be controlled to a great     #
-# extent by editing this file with any and saving it in    #
-# the default options location ($HOME/.tuxmath/options).   #
-# The file consists of 'NAME = VALUE' pairs, one pair per  #
-# line. Each option is one of the following types:         #
-#                                                          #
-#     boolean: 1 (synonyms 'true', 'T', 'yes', 'Y', 'on')  #
-#              or                                          #
-#              0 (synonyms 'false, 'F', 'no', 'N', 'off')  #
-#     integer  (i.e. non-fractional numbers)               #
-#     float    (i.e decimal fractions)                     #
-#                                                          #
-# Lines beginning with '#' or ';' are ignored as comments. #
-# The synonyms for boolean '0' and '1' are accepted as     #
-# input, but always written as '0' or '1' when Tuxmath     #
-# writes a config file to disk.                            #
-# The file is organized with the more important options    #
-# first.                                                   #
-############################################################
-
-############################################################
-#                                                          #
-#                       Game Mode                          #
-#                                                          #
-# Parameter: play_through_list (Boolean)                   #
-# Default: 1                                               #
-#                                                          #
-# Tuxmath generates a list of math questions based on      #
-# parameters set below.  By default, (play_through_list =  #
-# 1) the questions are asked in a random order.            #
-# Correctly answered questions are removed from the list.  #
-# If the player fails to correctly answer a question       #
-# before it hits a city, the question will be reinserted   #
-# into the list in a random location.                      #
-# The player wins if all questions are answered correctly  #
-# before the cities are destroyed.                         #
-#                                                          #
-# Alternatively, Tuxmath can be played in 'Arcade Mode'    #
-# by setting play_through_list = 0 (i.e. 'false'). If this #
-# is done, all questions will be randomly reinserted into  #
-# the list whether or not they are answered correctly, and #
-# the game continues as long as there is a surviving city. #
-############################################################
-
-play_through_list = 0
-
-############################################################
-#                                                          #
-#                 Speed and Number of Comets               #
-#                                                          #
-# Parameter: allow_speedup (boolean)                       #
-# Default: 1                                               #
-# Parameter: use_feedback  (boolean)                       #
-# Default: 0                                               #
-#                                                          #
-# By default, the comets become faster and more numerous   #
-# with each succeeding. The increase can be prevented      #
-# by setting 'allow_speedup' to 0.                         #
-#                                                          #
-# If 'allow_speedup' is enabled, it is also possible to    #
-# dynamically adjust the speed to the player's performance #
-# by setting 'use_feedback' to 1.  This feature attempts   #
-# to speed the game up if it is too easy for the player,   #
-# and to slow it down if the player is having trouble.     #
-#                                                          #
-# Many additional parameters under 'Advanced Options' can  #
-# be used to fine-tune these behaviors.                    #
-############################################################
-
-allow_speedup = 1
-use_feedback = 0
-
-############################################################
-#                                                          #
-#               Selecting Math Operations                  #
-#                                                          #
-# Parameter: addition_allowed (boolean)                    #
-# Default: 1                                               #
-# Parameter: subtraction_allowed (boolean)                 #
-# Default: 1                                               #
-# Parameter: multiplication_allowed (boolean)              #
-# Default: 1                                               #
-# Parameter: division_allowed (boolean)                    #
-# Default: 1                                               #
-#                                                          #
-# These options enable questions for each of the four math #
-# operations.  All are 1 (yes) by default.                 #
-############################################################
-
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-
-############################################################
-#                                                          #
-#                    Typing Practice                       #
-#                                                          #
-# Parameter: typing_practice_allowed (boolean)             #
-# Default: 0                                               #
-#                                                          #
-# This option simply displays numbers for the youngest     #
-# players to type in to learn the keyboard.                #
-############################################################
-
-typing_practice_allowed = 0
-
-############################################################
-#                                                          #
-#                 Negative Number Support                  #
-#                                                          #
-# Parameter: allow_negatives (boolean)                     #
-# Default: 0                                               #
-#                                                          #
-# 'allow_negatives' allows or disallows use of negative    #
-# numbers as both operands and answers.  Default is 0      #
-# (no), which disallows questions like:                    #
-#          2 - 4 = ?                                       #
-# Note: this option must be enabled in order to set the    #
-# operand ranges to include negatives. If it is changed    #
-# from 1 (yes) to 0 (no), any negative operand limits will #
-# be reset to 0.                                           #
-############################################################
-
-allow_negatives = 0
-
-############################################################
-#                                                          #
-#      Minimum and Maximum Values for Operand Ranges       #
-#                                                          #
-# Parameters: (multiple - all integer type)                #
-#                                                          #
-# Operand limits can be set to any integer up to the       #
-# value of 'max_answer'. Tuxmath will generate questions   #
-# for every value in the specified range. The maximum must #
-# be greater than or equal to the corresponding minimum    #
-# for any questions to be generated for that operation.    #
-# Defaults are 0 for minima and 12 for maxima.             #
-#                                                          #
-# Note: 'allow_negatives' must be set to 1 for negative    #
-# values to be accepted (see 'Advanced Options').          #
-############################################################
-
-# Addition operands:
-# augend + addend = sum
-
-min_augend = 0
-max_augend = 20
-min_addend = 0
-max_addend = 20
-
-# Subtraction operands:
-# minuend - subtrahend = difference
-
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-
-# Multiplication operands:
-# multiplier * multiplicand = product
-
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-
-# Division operands:
-# dividend/divisor = quotient
-
-min_divisor = 0
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-
-# Typing practice:
-
-min_typing_num = 0
-max_typing_num = 10
-
-
-############################################################
-#                                                          #
-#                 General Game Options                     #
-#                                                          #
-# Parameter: use_sound (boolean)                           #
-# Default: 1                                               #
-# Parameter: menu_sound (boolean)                          #
-# Default: 1                                               #
-# Parameter: menu_music (boolean)                          #
-# Default: 1                                               #
-# Parameter: fullscreen (boolean)                          #
-# Default: 1                                               #
-# Parameter: demo_mode (boolean)                           #
-# Default: 0                                               #
-# Parameter: use_keypad (boolean)                          #
-# Default: 0                                               #
-# Parameter: allow_pause (boolean)                         #
-# Default: 0                                               #
-# Parameter: use_igloos (boolean)                          #
-# Default: 1                                               #
-# Parameter: save_game_summary (boolean)                   #
-# Default: 1                                               #
-#                                                          #
-# These parameters control various aspects of Tuxmath's    #
-# not directly related to the math question to be asked.   #
-############################################################
-
-# Use game sounds and background music if possible:
-#use_sound = 1
-#menu_sound = 1
-#menu_music = 1
-
-# Use fullscreen at 640x480 resolution instead of
-# 640x480 window. Change to 0 if SDL has trouble with
-# fullscreen on your system:
-#fullscreen = 1
-
-# Display jpg images for background:
-use_bkgd = 1
-
-# Run Tuxmath as demo (i.e. without user input):
-demo_mode = 1
-
-# Display onscreen numeric keypad - allows mouse-only
-# gameplay or use with touchscreens:
-use_keypad = 0
-
-# Allow 'Pause' feature - should disable this
-# when competing for high scores!
-allow_pause = 1
-
-# Use newer graphics where Tux defends igloo-
-# dwelling penguins (for those who find the older
-# images of exploding cities to be distasteful)
-use_igloos = 1
-
-# By default, Tuxmath saves summaries of the last
-# ten games in the user's .tuxmath directory. Set
-# this parameter to '0' to turn off.
-save_summary = 1
-
-
-
-############################################################
-#                                                          #
-#                   Advanced Options                       #
-#                                                          #
-# The remaining settings further customize Tuxmath's       #
-# behavior.  Most users will probably not change them.     #
-############################################################
-
-
-############################################################
-#                                                          #
-#           Advanced Math Question List Options            #
-#                                                          #
-# Parameter: question_copies (integer)                     #
-# Default: 1                                               #
-# Parameter: repeat_wrongs (boolean)                       #
-# Default: 1                                               #
-# Parameter: copies_repeated_wrongs (integer)              #
-# Default: 1                                               #
-#                                                          #
-# These settings offer further control over the question   #
-# list and are generally only useful if 'play_through_list'#
-# is enabled (as it is by default).                        #
-#                                                          #
-# 'question_copies' is the number of times each question   #
-# is put into the initial list. It can be 1 to 10.         #
-#                                                          #
-# 'repeat_wrongs' determines whether questions the player  #
-# failed to answer correctly will be asked again.          #
-#                                                          #
-# 'copies_repeated_wrongs' gives the number of times a     #
-# missed question will reappear. This can be set anywhere  #
-# from 1 to 10.                                            #
-#                                                          #
-# The defaults for these values result in a 'mission'      #
-# for Tux that is accomplished by answering all            #
-# questions correctly with at least one surviving city.    #
-############################################################
-
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-
-############################################################
-#                                                          #
-#                 Math Question Formats                    #
-#                                                          #
-# The 'format_<op>_answer_<place>  options control         #
-# generation of questions with the answer in different     #
-# places in the equation.  i.e.:                           #
-#                                                          #
-#    format_add_answer_last:    2 + 2 = ?                  #
-#    format_add_answer_first:   ? + 2 = 4                  #
-#    format_add_answer_middle:  2 + ? = 4                  #
-#                                                          #
-# By default, 'format_answer_first' is enabled and the     #
-# other two formats are disabled.  Note that the options   #
-# are not mutually exclusive - the question list may       #
-# contain questions with different formats.                #
-#                                                          #
-# The formats are set independently for each of the four   #
-# math operations. All parameters are type 'boolean'.      #
-############################################################
-
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-
-############################################################
-#                                                          #
-# Parameter: max_answer (integer)                          #
-# Default: 999                                             #
-#                                                          #
-# 'max_answer' is the largest absolute value allowed in    #
-# any value in a question (not only the answer). Default   #
-# is 999, which is as high as it can be set. It can be set #
-# lower to fine-tune the list for certain 'lessons'.       #
-############################################################
-
-max_answer = 100
-
-############################################################
-#                                                          #
-# Parameter: max_questions (integer)                       #
-# Default: 5000                                            #
-#                                                          #
-# 'max_questions' is limit of the length of the question   #
-# list. Default is 5000 - only severe taskmasters will     #
-# need to raise it!                                        #
-############################################################
-
-max_questions = 25000
-
-############################################################
-#                                                          #
-# Parameter: randomize (boolean)                           #
-# Default: 1                                               #
-#                                                          #
-# If 'randomize' selected, the list will be shuffled       #
-# at the start of the game. Otherwise, the questions       #
-# appear in the order the program generates them.          #
-############################################################
-
-randomize = 1
-
-############################################################
-#                                                          #
-#                Advanced Comet Speed Options              #
-#                                                          #
-# Parameter: starting_comets (integer)                     #
-# Default: 2                                               #
-# Parameter: extra_comets_per_wave (integer)               #
-# Default: 2                                               #
-# Parameter: max_comets (integer)                          #
-# Default: 10                                              #
-# Parameter: speed (float)                                 #
-# Default: 1.00                                            #
-# Parameter: max_speed (float)                             #
-# Default: 10.00                                           #
-# Parameter: speedup_factor (float)                        #
-# Default: 1.20                                            #
-# Parameter: bonus_comet_interval (integer)                #
-# Default: 10                                              #
-# Parameter: bonus_speed_ratio (float)                     #
-# Default: 1.50                                            #
-# Parameter: slow_after_wrong (bool)                       #
-# Default: 0                                               #
-#                                                          #
-# (for 'feedback' speed control system):                   #
-# Parameter: danger_level (float)                          #
-# Default: 0.35                                            #
-# Parameter: danger_level_speedup (float)                  #
-# Default: 1.1                                             #
-# Parameter: danger_level_max (float)                      #
-# Default: 0.9                                             #
-# Parameter: city_explode_handicap (float)                 #
-# Default: 0                                               #
-#                                                          #
-# The comet number parameters and initial/max speed apply  #
-# whether or not the feedback system is activated.         #
-#                                                          #
-# 'speedup_factor' and 'slow_after_wrong' only apply if    #
-# feedback is not activated.                               #
-#                                                          #
-# The 'danger_level_*' and 'city_explode_handicap'         #
-# parameters are only used if feedback is activated.       #
-############################################################
-
-
-# Number of comets for first wave. Default is 2.
-starting_comets = 2
-
-# Comets to add for each successive wave. Default is 2.
-extra_comets_per_wave = 2
-
-# Maximum number of comets. Default is 10.
-max_comets = 10
-
-# Starting comet speed. Default is 1.
-speed = 1.00
-
-# Maximum speed. Default is 10.
-max_speed = 10.00
-
-# 'speedup_factor': If feedback is not used but 
-# 'allow_speedup' is enabled, the comet speed will be
-# multiplied by this factor with each new wave.
-# Values from 0.5 to 2 are accepted (note that a 
-# value less than 1 causes the comets to be 
-# slower with each wave!).
-# Default is 1.2 (i.e. 20 percent increase per wave)
-
-speedup_factor = 1.20
-
-# 'bonus_comet_interval' controls how frequently
-# special comets appear that cause a igloo to be  
-# rebuilt if answered correctly. The bonus comet  
-# appears after this number of regular comets (a  
-# value of 0 disables bonus comets). Default is 10. 
-bonus_comet_interval = 10
-
-# 'bonus_speed_ratio' determines how fast the
-# bonus comets fall relative to the regular comets.
-# Range 1.0 - 3.0, default 1.5:
-bonus_speed_ratio = 1.80
-
-# 'slow_after_wrong' tells Tuxmath to go back to  
-# starting speed and number of comets if the player misses 
-# a question. Useful for smaller kids. Default is 0.
-
-slow_after_wrong = 0
-
-# (Feedback) Set the desired danger level.
-# 0 = too safe, comets typically exploded at the very top
-# 1 = too dangerous, comets typically exploded as they
-# hit cities. Set it somewhere between these extremes. As
-# a guideline, early elementary kids might prefer
-# 0.2-0.3, older kids at around 0.4-0.6. Default 0.35.
-
-danger_level = 0.35
-
-# (Feedback) Set danger level speedup.
-# The margin of safety will decrease by this factor each
-# wave. Default 1.1. Note 1 = no increase in danger level.
-
-danger_level_speedup = 1.00
-
-# (Feedback) Set the maximum danger level.
-# Default 0.9.
-danger_level_max = 0.90
-
-# (Feedback) Set the handicap for hitting cities.
-# When bigger than 0, this causes the game to slow down
-# by an extra amount after a wave in which one or more
-# cities get hit. Note that this is similar to
-# 'slow_after_wrong', but allows for more gradual
-# changes. Default 0 (no extra handicap).
-
-city_explode_handicap = 0.00
-
-
-############################################################
-#                                                          #
-#                 Restricting User Settings                #
-#                                                          #
-# Parameter: per_user_config (boolean)                     #
-# Default: 1                                               #
-#                                                          #
-# 'per_user_config' determines whether Tuxmath will look   #
-# in the user's home directory for settings. Default is 1  #
-# (yes). If set to 0, the program will ignore the user's   #
-# .tuxmath file and use the the global settings in the     #
-# installation-wide config file.                           #
-#                                                          #
-# This setting cannot be changed by an ordinary user, i.e. #
-# it is ignored unless the config file is Tuxmath's global #
-# config file. Thus, users cannot 'lock themselves out'    #
-# by accidentally setting this to 0.                       #
-############################################################
-
-per_user_config = 1
diff --git a/data/missions/lessons/Makefile.am b/data/missions/lessons/Makefile.am
deleted file mode 100644
index c8799fe..0000000
--- a/data/missions/lessons/Makefile.am
+++ /dev/null
@@ -1,72 +0,0 @@
-## Makefile.am for tuxmath - data/missions/lessons:
-## Process with Automake to create Makefile.in
-
-lessonsdir = $(pkgdatadir)/missions/lessons
-
-dist_lessons_DATA = lesson00 \
-  lesson01 \
-  lesson02 \
-  lesson03 \
-  lesson04 \
-  lesson05 \
-  lesson06 \
-  lesson07 \
-  lesson08 \
-  lesson09 \
-  lesson10 \
-  lesson11 \
-  lesson12 \
-  lesson13 \
-  lesson14 \
-  lesson15 \
-  lesson16 \
-  lesson17 \
-  lesson18 \
-  lesson19 \
-  lesson20 \
-  lesson21 \
-  lesson22 \
-  lesson23 \
-  lesson24 \
-  lesson25 \
-  lesson26 \
-  lesson27 \
-  lesson28 \
-  lesson29 \
-  lesson30 \
-  lesson31 \
-  lesson32 \
-  lesson33 \
-  lesson34 \
-  lesson35 \
-  lesson36 \
-  lesson37 \
-  lesson38 \
-  lesson39 \
-  lesson40 \
-  lesson41 \
-  lesson42 \
-  lesson43 \
-  lesson44 \
-  lesson45 \
-  lesson46 \
-  lesson47 \
-  lesson48 \
-  lesson49 \
-  lesson50 \
-  lesson51 \
-  lesson52 \
-  lesson53 \
-  lesson54 \
-  lesson55 \
-  lesson56 \
-  lesson57
-
-EXTRA_DIST = descr_lessons \
-  update-po.sh
-
-all: descr_lessons
-
-# Create a 'source' file holding all the descriptions for the missions.
-descr_lessons: $(dist_lessons_DATA)
-	cd $(srcdir); ./update-po.sh
diff --git a/data/missions/lessons/descr_lessons b/data/missions/lessons/descr_lessons
deleted file mode 100644
index ee7eedc..0000000
--- a/data/missions/lessons/descr_lessons
+++ /dev/null
@@ -1,58 +0,0 @@
-_("Number Typing")
-_("Addition: 1 to 3")
-_("Addition: 0 to 5")
-_("Addition: Sums to 10")
-_("Addition: Sums to 15")
-_("Addition: Sums to 20")
-_("Addition: Two Digit Numbers")
-_("Addition: Missing Numbers")
-_("Subtraction: 0 to 10")
-_("Subtraction: 0 to 20")
-_("Subtraction: Two Digit Numbers")
-_("Addition and Subtraction Review")
-_("Multiplication: 0 to 3")
-_("Multiples of 2")
-_("Multiples of 3")
-_("Multiples of 4")
-_("Multiples of 5")
-_("Multiplication: 0 to 5")
-_("Multiples of 6")
-_("Multiples of 7")
-_("Multiplication: 0 to 7")
-_("Multiples of 8")
-_("Multiples of 9")
-_("Multiples of 10")
-_("Multiplication: 0 to 10")
-_("Multiples of 11 and 12")
-_("Multiplication: 0 to 12")
-_("Multiples of 13, 14, and 15")
-_("Multiplication: 0 to 15")
-_("Multiplication: Missing Numbers")
-_("Division by 2")
-_("Division by 3")
-_("Division by 4")
-_("Division by 5")
-_("Division: 1 to 5")
-_("Division by 6")
-_("Division by 7")
-_("Division by 8")
-_("Division by 9")
-_("Division by 10")
-_("Division: 1 to 10")
-_("Division by 11 and 12")
-_("Division: 1 to 12")
-_("Division by 13, 14, and 15")
-_("Division: 1 to 15")
-_("Multiplication and Division Review")
-_("Typing Negative Numbers")
-_("Subtraction: Negative Answers")
-_("Adding Negatives to Positives")
-_("Adding Positives to Negatives")
-_("Subtracting Negatives From Positives")
-_("Subtracting Positives From Negatives")
-_("Adding Negatives to Negatives")
-_("Subtracting Negatives From Negatives")
-_("Negative and Positive Numbers Review")
-_("Multiplication and Division of Negatives")
-_("Multiplication of Positives and Negatives")
-_("Division of Positives and Negatives")
diff --git a/data/missions/lessons/lesson00 b/data/missions/lessons/lesson00
deleted file mode 100644
index 72c3f84..0000000
--- a/data/missions/lessons/lesson00
+++ /dev/null
@@ -1,33 +0,0 @@
-# Number Typing
-# Math options
-play_through_list = 1
-typing_practice_allowed = 1
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_typing_num = 0
-max_typing_num = 10
-max_answer = 400;
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 22
-vary_list_length = 0
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson01 b/data/missions/lessons/lesson01
deleted file mode 100644
index 0b62020..0000000
--- a/data/missions/lessons/lesson01
+++ /dev/null
@@ -1,41 +0,0 @@
-# Addition: 1 to 3
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 1
-max_augend = 3
-min_addend = 1
-max_addend = 3
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 20
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson02 b/data/missions/lessons/lesson02
deleted file mode 100644
index 7e44463..0000000
--- a/data/missions/lessons/lesson02
+++ /dev/null
@@ -1,41 +0,0 @@
-# Addition: 0 to 5
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 0
-max_augend = 5
-min_addend = 0
-max_addend = 5
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 400;
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 30
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson03 b/data/missions/lessons/lesson03
deleted file mode 100644
index 8732b4c..0000000
--- a/data/missions/lessons/lesson03
+++ /dev/null
@@ -1,41 +0,0 @@
-# Addition: Sums to 10
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-max_answer = 10;
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 30
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson04 b/data/missions/lessons/lesson04
deleted file mode 100644
index b9ec460..0000000
--- a/data/missions/lessons/lesson04
+++ /dev/null
@@ -1,41 +0,0 @@
-# Addition: Sums to 15
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 15
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 30
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson05 b/data/missions/lessons/lesson05
deleted file mode 100644
index a675374..0000000
--- a/data/missions/lessons/lesson05
+++ /dev/null
@@ -1,41 +0,0 @@
-# Addition: Sums to 20
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 20
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson06 b/data/missions/lessons/lesson06
deleted file mode 100644
index 6da7012..0000000
--- a/data/missions/lessons/lesson06
+++ /dev/null
@@ -1,41 +0,0 @@
-# Addition: Two Digit Numbers
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 10
-max_augend = 20
-min_addend = 10
-max_addend = 20
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson07 b/data/missions/lessons/lesson07
deleted file mode 100644
index 6ac9258..0000000
--- a/data/missions/lessons/lesson07
+++ /dev/null
@@ -1,43 +0,0 @@
-# Addition: Missing Numbers
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-format_answer_last = 0
-format_answer_first = 1
-format_answer_middle = 1
-format_add_answer_last = 0
-format_add_answer_first = 1
-format_add_answer_middle = 1
-max_answer = 400;
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson08 b/data/missions/lessons/lesson08
deleted file mode 100644
index 665db48..0000000
--- a/data/missions/lessons/lesson08
+++ /dev/null
@@ -1,41 +0,0 @@
-# Subtraction: 0 to 10
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-allow_negatives = 0
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson09 b/data/missions/lessons/lesson09
deleted file mode 100644
index dbac57b..0000000
--- a/data/missions/lessons/lesson09
+++ /dev/null
@@ -1,42 +0,0 @@
-# Subtraction: 0 to 20
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-allow_negatives = 0
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson10 b/data/missions/lessons/lesson10
deleted file mode 100644
index d7a648a..0000000
--- a/data/missions/lessons/lesson10
+++ /dev/null
@@ -1,42 +0,0 @@
-# Subtraction: Two Digit Numbers
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-min_minuend = 20
-max_minuend = 30
-min_subtrahend = 10
-max_subtrahend = 20
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-allow_negatives = 0
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 30
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson11 b/data/missions/lessons/lesson11
deleted file mode 100644
index 797f99c..0000000
--- a/data/missions/lessons/lesson11
+++ /dev/null
@@ -1,49 +0,0 @@
-# Addition and Subtraction Review
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 10
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-allow_negatives = 0
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson12 b/data/missions/lessons/lesson12
deleted file mode 100644
index 25d79bc..0000000
--- a/data/missions/lessons/lesson12
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiplication: 0 to 3
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 0
-max_multiplier = 3
-min_multiplicand = 0
-max_multiplicand = 3
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson13 b/data/missions/lessons/lesson13
deleted file mode 100644
index 3152f73..0000000
--- a/data/missions/lessons/lesson13
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 2
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 2
-max_multiplier = 2
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson14 b/data/missions/lessons/lesson14
deleted file mode 100644
index 0debf8c..0000000
--- a/data/missions/lessons/lesson14
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 3
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 3
-max_multiplier = 3
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson15 b/data/missions/lessons/lesson15
deleted file mode 100644
index c380d59..0000000
--- a/data/missions/lessons/lesson15
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 4
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 4
-max_multiplier = 4
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson16 b/data/missions/lessons/lesson16
deleted file mode 100644
index 26c7ec1..0000000
--- a/data/missions/lessons/lesson16
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 5
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 5
-max_multiplier = 5
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson17 b/data/missions/lessons/lesson17
deleted file mode 100644
index 2efeafc..0000000
--- a/data/missions/lessons/lesson17
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiplication: 0 to 5
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 0
-max_multiplier = 5
-min_multiplicand = 0
-max_multiplicand = 5
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 108
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson18 b/data/missions/lessons/lesson18
deleted file mode 100644
index 5543435..0000000
--- a/data/missions/lessons/lesson18
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 6
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 6
-max_multiplier = 6
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson19 b/data/missions/lessons/lesson19
deleted file mode 100644
index 02e74ee..0000000
--- a/data/missions/lessons/lesson19
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 7
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 7
-max_multiplier = 7
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson20 b/data/missions/lessons/lesson20
deleted file mode 100644
index 759af07..0000000
--- a/data/missions/lessons/lesson20
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiplication: 0 to 7
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 0
-max_multiplier = 7
-min_multiplicand = 0
-max_multiplicand = 7
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 64
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson21 b/data/missions/lessons/lesson21
deleted file mode 100644
index 51b46c1..0000000
--- a/data/missions/lessons/lesson21
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 8
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 8
-max_multiplier = 8
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson22 b/data/missions/lessons/lesson22
deleted file mode 100644
index 34ff278..0000000
--- a/data/missions/lessons/lesson22
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 9
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 9
-max_multiplier = 9
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson23 b/data/missions/lessons/lesson23
deleted file mode 100644
index f3f2e06..0000000
--- a/data/missions/lessons/lesson23
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 10
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 10
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson24 b/data/missions/lessons/lesson24
deleted file mode 100644
index d7357a0..0000000
--- a/data/missions/lessons/lesson24
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiplication: 0 to 10
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 121
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson25 b/data/missions/lessons/lesson25
deleted file mode 100644
index 05f66c3..0000000
--- a/data/missions/lessons/lesson25
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 11 and 12
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 11
-max_multiplier = 12
-min_multiplicand = 0
-max_multiplicand = 12
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 52
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson26 b/data/missions/lessons/lesson26
deleted file mode 100644
index e6e0566..0000000
--- a/data/missions/lessons/lesson26
+++ /dev/null
@@ -1,42 +0,0 @@
-# Multiplication: 0 to 12
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 0
-max_multiplier = 12
-min_multiplicand = 0
-max_multiplicand = 12
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 169
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson27 b/data/missions/lessons/lesson27
deleted file mode 100644
index b66aa99..0000000
--- a/data/missions/lessons/lesson27
+++ /dev/null
@@ -1,41 +0,0 @@
-# Multiples of 13, 14, and 15
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 13
-max_multiplier = 15
-min_multiplicand = 0
-max_multiplicand = 15
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 96
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson28 b/data/missions/lessons/lesson28
deleted file mode 100644
index 6b8cc13..0000000
--- a/data/missions/lessons/lesson28
+++ /dev/null
@@ -1,42 +0,0 @@
-# Multiplication: 0 to 15
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-min_multiplier = 0
-max_multiplier = 15
-min_multiplicand = 0
-max_multiplicand = 15
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 256
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson29 b/data/missions/lessons/lesson29
deleted file mode 100644
index 686c603..0000000
--- a/data/missions/lessons/lesson29
+++ /dev/null
@@ -1,44 +0,0 @@
-# Multiplication: Missing Numbers
-
-play_through_list = 1
-allow_speedup = 1
-use_feedback = 1
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-format_answer_last = 0
-format_answer_first = 1
-format_answer_middle = 1
-format_mult_answer_last = 0
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-max_answer = 999
-max_questions = 5000
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 50
-vary_list_length = 0
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson30 b/data/missions/lessons/lesson30
deleted file mode 100644
index fd778b6..0000000
--- a/data/missions/lessons/lesson30
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 2
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 2
-max_multiplier = 2
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 2
-max_divisor = 2
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson31 b/data/missions/lessons/lesson31
deleted file mode 100644
index 53a3a8c..0000000
--- a/data/missions/lessons/lesson31
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 3
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 3
-max_multiplier = 3
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 3
-max_divisor = 3
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson32 b/data/missions/lessons/lesson32
deleted file mode 100644
index 33e9460..0000000
--- a/data/missions/lessons/lesson32
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 4
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 4
-max_multiplier = 4
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 4
-max_divisor = 4
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson33 b/data/missions/lessons/lesson33
deleted file mode 100644
index dc7916e..0000000
--- a/data/missions/lessons/lesson33
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 5
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 5
-max_multiplier = 5
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 5
-max_divisor = 5
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson34 b/data/missions/lessons/lesson34
deleted file mode 100644
index 13886e6..0000000
--- a/data/missions/lessons/lesson34
+++ /dev/null
@@ -1,41 +0,0 @@
-# Division: 1 to 5
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 1
-min_divisor = 1
-max_divisor = 5
-min_quotient = 0
-max_quotient = 5
-format_answer_last = 1
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 90
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson35 b/data/missions/lessons/lesson35
deleted file mode 100644
index 8976753..0000000
--- a/data/missions/lessons/lesson35
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 6
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 6
-max_multiplier = 6
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 6
-max_divisor = 6
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson36 b/data/missions/lessons/lesson36
deleted file mode 100644
index 43784b7..0000000
--- a/data/missions/lessons/lesson36
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 7
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 7
-max_multiplier = 7
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 7
-max_divisor = 7
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson37 b/data/missions/lessons/lesson37
deleted file mode 100644
index 6546d2a..0000000
--- a/data/missions/lessons/lesson37
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 8
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 8
-max_multiplier = 8
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 8
-max_divisor = 8
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson38 b/data/missions/lessons/lesson38
deleted file mode 100644
index 7e5d193..0000000
--- a/data/missions/lessons/lesson38
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 9
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 9
-max_multiplier = 9
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 9
-max_divisor = 9
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson39 b/data/missions/lessons/lesson39
deleted file mode 100644
index 5175d14..0000000
--- a/data/missions/lessons/lesson39
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 10
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 10
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 10
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 44
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson40 b/data/missions/lessons/lesson40
deleted file mode 100644
index c50cbf6..0000000
--- a/data/missions/lessons/lesson40
+++ /dev/null
@@ -1,41 +0,0 @@
-# Division: 1 to 10
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 1
-min_divisor = 1
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 110
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson41 b/data/missions/lessons/lesson41
deleted file mode 100644
index 4cefad6..0000000
--- a/data/missions/lessons/lesson41
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 11 and 12
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 11
-max_multiplier = 12
-min_multiplicand = 0
-max_multiplicand = 12
-min_divisor = 11
-max_divisor = 12
-min_quotient = 0
-max_quotient = 12
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 52
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson42 b/data/missions/lessons/lesson42
deleted file mode 100644
index 7cde5cf..0000000
--- a/data/missions/lessons/lesson42
+++ /dev/null
@@ -1,41 +0,0 @@
-# Division: 1 to 12
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 1
-min_divisor = 1
-max_divisor = 12
-min_quotient = 0
-max_quotient = 12
-format_answer_last = 1
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 156
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson43 b/data/missions/lessons/lesson43
deleted file mode 100644
index df12800..0000000
--- a/data/missions/lessons/lesson43
+++ /dev/null
@@ -1,50 +0,0 @@
-# Division by 13, 14, and 15
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 13
-max_multiplier = 15
-min_multiplicand = 0
-max_multiplicand = 15
-min_divisor = 13
-max_divisor = 15
-min_quotient = 0
-max_quotient = 15
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 96
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson44 b/data/missions/lessons/lesson44
deleted file mode 100644
index dc78241..0000000
--- a/data/missions/lessons/lesson44
+++ /dev/null
@@ -1,41 +0,0 @@
-# Division: 1 to 15
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 1
-min_divisor = 1
-max_divisor = 15
-min_quotient = 0
-max_quotient = 15
-format_answer_last = 1
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 240
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson45 b/data/missions/lessons/lesson45
deleted file mode 100644
index f26bafe..0000000
--- a/data/missions/lessons/lesson45
+++ /dev/null
@@ -1,50 +0,0 @@
-# Multiplication and Division Review
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 0
-min_multiplier = 0
-max_multiplier = 10
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 1
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-format_answer_last = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 50
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson46 b/data/missions/lessons/lesson46
deleted file mode 100644
index ad17d89..0000000
--- a/data/missions/lessons/lesson46
+++ /dev/null
@@ -1,37 +0,0 @@
-# Typing Negative Numbers
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 1
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_typing_num = -20
-max_typing_num = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 20
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson47 b/data/missions/lessons/lesson47
deleted file mode 100644
index 6246d51..0000000
--- a/data/missions/lessons/lesson47
+++ /dev/null
@@ -1,42 +0,0 @@
-# Subtraction: Negative Answers
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-allow_negatives = 1
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson48 b/data/missions/lessons/lesson48
deleted file mode 100644
index f8c1b33..0000000
--- a/data/missions/lessons/lesson48
+++ /dev/null
@@ -1,42 +0,0 @@
-# Adding Negatives to Positives
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_augend = 0
-max_augend = 10
-min_addend = -10
-max_addend = -1
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 20
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson49 b/data/missions/lessons/lesson49
deleted file mode 100644
index 586ad40..0000000
--- a/data/missions/lessons/lesson49
+++ /dev/null
@@ -1,42 +0,0 @@
-# Adding Positives to Negatives
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_augend = -10
-max_augend = -1
-min_addend = 0
-max_addend = 10
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson50 b/data/missions/lessons/lesson50
deleted file mode 100644
index f4f5571..0000000
--- a/data/missions/lessons/lesson50
+++ /dev/null
@@ -1,42 +0,0 @@
-# Subtracting Negatives From Positives
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = -10
-max_subtrahend = -1
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson51 b/data/missions/lessons/lesson51
deleted file mode 100644
index 5507f7f..0000000
--- a/data/missions/lessons/lesson51
+++ /dev/null
@@ -1,42 +0,0 @@
-# Subtracting Positives From Negatives
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_minuend = -10
-max_minuend = -1
-min_subtrahend = 0
-max_subtrahend = 10
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson52 b/data/missions/lessons/lesson52
deleted file mode 100644
index 9a98e5c..0000000
--- a/data/missions/lessons/lesson52
+++ /dev/null
@@ -1,42 +0,0 @@
-# Adding Negatives to Negatives
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_augend = -10
-max_augend = 0
-min_addend = -10
-max_addend = 0
-format_answer_last = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-max_answer = 20
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson53 b/data/missions/lessons/lesson53
deleted file mode 100644
index ebc365d..0000000
--- a/data/missions/lessons/lesson53
+++ /dev/null
@@ -1,42 +0,0 @@
-# Subtracting Negatives From Negatives
-
-# Math options
-play_through_list = 1
-typing_practice_allowed = 0
-addition_allowed = 0
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 1
-min_minuend = -10
-max_minuend = -0
-min_subtrahend = -10
-max_subtrahend = 0
-format_answer_last = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-max_answer = 400
-save_summary = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-allow_speedup = 1
-use_feedback = 1
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 20.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/lesson54 b/data/missions/lessons/lesson54
deleted file mode 100644
index aad1be7..0000000
--- a/data/missions/lessons/lesson54
+++ /dev/null
@@ -1,54 +0,0 @@
-# Negative and Positive Numbers Review
-
-# Math options
-play_through_list = 1
-allow_speedup = 1
-use_feedback = 1
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-typing_practice_allowed = 0
-allow_negatives = 1
-min_augend = -3
-max_augend = 3
-min_addend = -3
-max_addend = 3
-min_minuend = -3
-max_minuend = 3
-min_subtrahend = -3
-max_subtrahend = 3
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-format_answer_last = 1
-format_answer_first = 1
-format_answer_middle = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-max_answer = 999
-max_questions = 5000
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson55 b/data/missions/lessons/lesson55
deleted file mode 100644
index d135adc..0000000
--- a/data/missions/lessons/lesson55
+++ /dev/null
@@ -1,54 +0,0 @@
-# Multiplication and Division of Negatives
-
-# Math options
-play_through_list = 1
-allow_speedup = 1
-use_feedback = 1
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 1
-min_multiplier = -5
-max_multiplier = 0
-min_multiplicand = -5
-max_multiplicand = 0
-min_divisor = -5
-max_divisor = 1
-min_quotient = -5
-max_quotient = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-format_answer_last = 1
-format_answer_first = 0
-format_answer_middle = 0
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 999
-max_questions = 5000
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson56 b/data/missions/lessons/lesson56
deleted file mode 100644
index 451417f..0000000
--- a/data/missions/lessons/lesson56
+++ /dev/null
@@ -1,47 +0,0 @@
-# Multiplication of Positives and Negatives
-
-# Math options
-play_through_list = 1
-allow_speedup = 1
-use_feedback = 1
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 1
-division_allowed = 0
-typing_practice_allowed = 0
-allow_negatives = 1
-min_multiplier = -5
-max_multiplier = 5
-min_multiplicand = -5
-max_multiplicand = 5
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-format_answer_last = 1
-format_answer_first = 0
-format_answer_middle = 0
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-max_answer = 999
-max_questions = 5000
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-
-keep_score = 1
diff --git a/data/missions/lessons/lesson57 b/data/missions/lessons/lesson57
deleted file mode 100644
index cd51767..0000000
--- a/data/missions/lessons/lesson57
+++ /dev/null
@@ -1,46 +0,0 @@
-# Division of Positives and Negatives
-
-# Math options
-play_through_list = 1
-allow_speedup = 1
-use_feedback = 1
-addition_allowed = 0
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 1
-typing_practice_allowed = 0
-allow_negatives = 1
-min_divisor = -5
-max_divisor = 5
-min_quotient = -5
-max_quotient = 5
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 2
-format_answer_last = 1
-format_answer_first = 0
-format_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-max_answer = 999
-max_questions = 5000
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 40
-vary_list_length = 0
-
-# General game options
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 10.00
-danger_level = 0.35
-danger_level_speedup = 1
-danger_level_max = 0.90
-city_explode_handicap = 0.00
-keep_score = 1
diff --git a/data/missions/lessons/update-po.sh b/data/missions/lessons/update-po.sh
deleted file mode 100755
index d03b4d4..0000000
--- a/data/missions/lessons/update-po.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-# Create a 'source' file holding all the descriptions for the missions.
-# That file (descr_lessons) is listed in po/POTFILES.in so the strings will go into
-# tuxmath.pot and subsequently into the individual po files for translation.
-# NOTE this script needs to be kept in the same dir as the lesson files
-rm -f ./descr_lessons
-for i in ./lesson*; do
- head --lines=1 $i | sed 's/^# \(.*\)$/_("\1")/' >> descr_lessons;
-done;
-
-
-
diff --git a/data/missions/multiplay/Makefile.am b/data/missions/multiplay/Makefile.am
deleted file mode 100644
index 4da4347..0000000
--- a/data/missions/multiplay/Makefile.am
+++ /dev/null
@@ -1,11 +0,0 @@
-## Makefile.am for tuxmath - data/missions/multiplay:
-## Process with Automake to create Makefile.in
-
-multiplaydir = $(pkgdatadir)/missions/multiplay
-
-dist_multiplay_DATA = ace \
-  commando \
-  ranger \
-  scout \
-  space_cadet \
-  mpoptions
diff --git a/data/missions/multiplay/ace b/data/missions/multiplay/ace
deleted file mode 100644
index ff0fee9..0000000
--- a/data/missions/multiplay/ace
+++ /dev/null
@@ -1,61 +0,0 @@
-# multiplay ace lesson file
-
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-allow_negatives = 1
-min_augend = -20
-max_augend = 20
-min_addend = -20
-max_addend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = -20
-max_subtrahend = 20
-min_multiplier = -20
-max_multiplier = 20
-min_multiplicand = -20
-max_multiplicand = 20
-min_divisor = -20
-max_divisor = 20
-min_quotient = -20
-max_quotient = 20
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-format_div_answer_last = 1
-format_div_answer_first = 1
-format_div_answer_middle = 1
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 25
-vary_list_length = 0
-max_answer = 400
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.25
-slow_after_wrong = 0
-max_questions = 25000
-bonus_comet_interval = 20
-allow_pause = 0
-bonus_speed_ratio = 2.0
diff --git a/data/missions/multiplay/commando b/data/missions/multiplay/commando
deleted file mode 100644
index a267b0a..0000000
--- a/data/missions/multiplay/commando
+++ /dev/null
@@ -1,60 +0,0 @@
-# multiplay commando lesson file
-
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-allow_negatives = 1
-min_augend = -20
-max_augend = 20
-min_addend = -20
-max_addend = 20
-min_minuend = -20
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-min_multiplier = -20
-max_multiplier = 20
-min_multiplicand = -10
-max_multiplicand = 10
-min_divisor = -20
-max_divisor = 20
-min_quotient = -10
-max_quotient = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-format_div_answer_last = 1
-format_div_answer_first = 1
-format_div_answer_middle = 1
-randomize = 1
-comprehensive = 0
-min_formula_nums = 3
-max_formula_nums = 4
-avg_list_length = 25
-vary_list_length = 0
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 0.25
-max_speed = 40.00
-speedup_factor = 1.125
-slow_after_wrong = 1
-max_questions = 25000
-bonus_comet_interval = 20
-allow_pause = 0
-bonus_speed_ratio = 2.0
diff --git a/data/missions/multiplay/mpoptions b/data/missions/multiplay/mpoptions
deleted file mode 100644
index 4b9d3fe..0000000
--- a/data/missions/multiplay/mpoptions
+++ /dev/null
@@ -1,9 +0,0 @@
-#master option file for multiplay
-
-play_through_list = 1
-avg_list_length = 10
-vary_list_length = 1
-comprehensive = 0
-mp_multiplayer = 1
-
-
diff --git a/data/missions/multiplay/ranger b/data/missions/multiplay/ranger
deleted file mode 100644
index f9ee2c5..0000000
--- a/data/missions/multiplay/ranger
+++ /dev/null
@@ -1,62 +0,0 @@
-# multiplay_ranger lesson file
-
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-allow_negatives = 0
-min_augend = 0
-max_augend = 20
-min_addend = 0
-max_addend = 20
-min_minuend = 0
-max_minuend = 20
-min_subtrahend = 0
-max_subtrahend = 20
-min_multiplier = 0
-max_multiplier = 20
-min_multiplicand = 0
-max_multiplicand = 10
-min_divisor = 0
-max_divisor = 10
-min_quotient = 0
-max_quotient = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 1
-format_add_answer_middle = 1
-format_sub_answer_last = 1
-format_sub_answer_first = 1
-format_sub_answer_middle = 1
-format_mult_answer_last = 1
-format_mult_answer_first = 1
-format_mult_answer_middle = 1
-format_div_answer_last = 1
-format_div_answer_first = 1
-format_div_answer_middle = 1
-max_answer = 100
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 25
-vary_list_length = 0
-
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.2
-slow_after_wrong = 0
-max_questions = 25000
-bonus_comet_interval = 10
-allow_pause = 0
-bonus_speed_ratio = 1.8
diff --git a/data/missions/multiplay/scout b/data/missions/multiplay/scout
deleted file mode 100644
index 71ed749..0000000
--- a/data/missions/multiplay/scout
+++ /dev/null
@@ -1,49 +0,0 @@
-# multiplay_scout lesson file
-
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 0
-max_formula_nums = 2
-min_formula_nums = 2
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-min_minuend = 0
-max_minuend = 10
-min_subtrahend = 0
-max_subtrahend = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 25
-vary_list_length = 0
-max_answer = 20
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.15
-slow_after_wrong = 0
-max_questions = 5000
-bonus_comet_interval = 10
-allow_pause = 0
-bonus_speed_ratio = 1.5
diff --git a/data/missions/multiplay/space_cadet b/data/missions/multiplay/space_cadet
deleted file mode 100644
index 0c21dea..0000000
--- a/data/missions/multiplay/space_cadet
+++ /dev/null
@@ -1,40 +0,0 @@
-# multiplay space cadet lesson file
-
-allow_speedup = 1
-use_feedback = 0
-addition_allowed = 1
-subtraction_allowed = 0
-multiplication_allowed = 0
-division_allowed = 0
-allow_negatives = 0
-min_augend = 0
-max_augend = 10
-min_addend = 0
-max_addend = 10
-use_bkgd = 1
-demo_mode = 0
-save_summary = 1
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-randomize = 1
-comprehensive = 1
-min_formula_nums = 2
-max_formula_nums = 2
-avg_list_length = 12
-vary_list_length = 0
-max_answer = 10
-starting_comets = 2
-extra_comets_per_wave = 2
-max_comets = 10
-speed = 1.00
-max_speed = 40.00
-speedup_factor = 1.1
-slow_after_wrong = 0
-max_questions = 5000
-bonus_comet_interval = 10
-allow_pause = 0
-bonus_speed_ratio = 1.2
diff --git a/data/missions/options b/data/missions/options
deleted file mode 100644
index 98669c3..0000000
--- a/data/missions/options
+++ /dev/null
@@ -1,512 +0,0 @@
-############################################################
-#                                                          #
-#              Tuxmath Configuration File                  #
-#                                                          #
-# The behavior of Tuxmath can be controlled to a great     #
-# extent by editing this file with any and saving it in    #
-# the default options location ($HOME/.tuxmath/options).   #
-# The file consists of 'NAME = VALUE' pairs, one pair per  #
-# line. Each option is one of the following types:         #
-#                                                          #
-#     boolean: 1 (synonyms 'true', 'T', 'yes', 'Y', 'on')  #
-#              or                                          #
-#              0 (synonyms 'false, 'F', 'no', 'N', 'off')  #
-#     integer  (i.e. non-fractional numbers)               #
-#     float    (i.e decimal fractions)                     #
-#                                                          #
-# Lines beginning with '#' or ';' are ignored as comments. #
-# The synonyms for boolean '0' and '1' are accepted as     #
-# input, but always written as '0' or '1' when Tuxmath     #
-# writes a config file to disk.                            #
-# The file is organized with the more important options    #
-# first.                                                   #
-############################################################
-
-############################################################
-#                                                          #
-#                       Game Mode                          #
-#                                                          #
-# Parameter: play_through_list (Boolean)                   #
-# Default: 1                                               #
-#                                                          #
-# Tuxmath generates a list of math questions based on      #
-# parameters set below.  By default, (play_through_list =  #
-# 1) the questions are asked in a random order.            #
-# Correctly answered questions are removed from the list.  #
-# If the player fails to correctly answer a question       #
-# before it hits a city, the question will be reinserted   #
-# into the list in a random location.                      #
-# The player wins if all questions are answered correctly  #
-# before the cities are destroyed.                         #
-#                                                          #
-# Alternatively, Tuxmath can be played in 'Arcade Mode'    #
-# by setting play_through_list = 0 (i.e. 'false'). If this #
-# is done, all questions will be randomly reinserted into  #
-# the list whether or not they are answered correctly, and #
-# the game continues as long as there is a surviving city. #
-############################################################
-
-play_through_list = 1
-
-############################################################
-#                                                          #
-#                 Speed and Number of Comets               #
-#                                                          #
-# Parameter: allow_speedup (boolean)                       #
-# Default: 1                                               #
-# Parameter: use_feedback  (boolean)                       #
-# Default: 0                                               #
-#                                                          #
-# By default, the comets become faster and more numerous   #
-# with each succeeding. The increase can be prevented      #
-# by setting 'allow_speedup' to 0.                         #
-#                                                          #
-# If 'allow_speedup' is enabled, it is also possible to    #
-# dynamically adjust the speed to the player's performance #
-# by setting 'use_feedback' to 1.  This feature attempts   #
-# to speed the game up if it is too easy for the player,   #
-# and to slow it down if the player is having trouble.     #
-#                                                          #
-# Many additional parameters under 'Advanced Options' can  #
-# be used to fine-tune these behaviors.                    #
-############################################################
-
-allow_speedup = 1
-use_feedback = 0
-
-############################################################
-#                                                          #
-#               Selecting Math Operations                  #
-#                                                          #
-# Parameter: addition_allowed (boolean)                    #
-# Default: 1                                               #
-# Parameter: subtraction_allowed (boolean)                 #
-# Default: 1                                               #
-# Parameter: multiplication_allowed (boolean)              #
-# Default: 1                                               #
-# Parameter: division_allowed (boolean)                    #
-# Default: 1                                               #
-#                                                          #
-# These options enable questions for each of the four math #
-# operations.  All are 1 (yes) by default.                 #
-############################################################
-
-addition_allowed = 1
-subtraction_allowed = 1
-multiplication_allowed = 1
-division_allowed = 1
-
-############################################################
-#                                                          #
-#                    Typing Practice                       #
-#                                                          #
-# Parameter: typing_practice_allowed (boolean)             #
-# Default: 0                                               #
-#                                                          #
-# This option simply displays numbers for the youngest     #
-# players to type in to learn the keyboard.                #
-############################################################
-
-typing_practice_allowed = 0
-
-############################################################
-#                                                          #
-#                 Negative Number Support                  #
-#                                                          #
-# Parameter: allow_negatives (boolean)                     #
-# Default: 0                                               #
-#                                                          #
-# 'allow_negatives' allows or disallows use of negative    #
-# numbers as both operands and answers.  Default is 0      #
-# (no), which disallows questions like:                    #
-#          2 - 4 = ?                                       #
-# Note: this option must be enabled in order to set the    #
-# operand ranges to include negatives. If it is changed    #
-# from 1 (yes) to 0 (no), any negative operand limits will #
-# be reset to 0.                                           #
-############################################################
-
-allow_negatives = 0
-
-############################################################
-#                                                          #
-#      Minimum and Maximum Values for Operand Ranges       #
-#                                                          #
-# Parameters: (multiple - all integer type)                #
-#                                                          #
-# Operand limits can be set to any integer up to the       #
-# value of 'max_answer'. Tuxmath will generate questions   #
-# for every value in the specified range. The maximum must #
-# be greater than or equal to the corresponding minimum    #
-# for any questions to be generated for that operation.    #
-# Defaults are 0 for minima and 12 for maxima.             #
-#                                                          #
-# Note: 'allow_negatives' must be set to 1 for negative    #
-# values to be accepted (see 'Advanced Options').          #
-############################################################
-
-# Addition operands:
-# augend + addend = sum
-
-min_augend = 0
-max_augend = 12
-min_addend = 0
-max_addend = 12
-
-# Subtraction operands:
-# minuend - subtrahend = difference
-
-min_minuend = 0
-max_minuend = 12
-min_subtrahend = 0
-max_subtrahend = 12
-
-# Multiplication operands:
-# multiplier * multiplicand = product
-
-min_multiplier = 0
-max_multiplier = 12
-min_multiplicand = 0
-max_multiplicand = 12
-
-# Division operands:
-# dividend/divisor = quotient
-
-min_divisor = 0
-max_divisor = 12
-min_quotient = 0
-max_quotient = 12
-
-# Typing practice:
-
-min_typing_num = 0
-max_typing_num = 12
-
-
-############################################################
-#                                                          #
-#                 General Game Options                     #
-#                                                          #
-# Parameter: use_sound (boolean)                           #
-# Default: 1                                               #
-# Parameter: menu_sound (boolean)                          #
-# Default: 1                                               #
-# Parameter: menu_music (boolean)                          #
-# Default: 1                                               #
-# Parameter: fullscreen (boolean)                          #
-# Default: 1                                               #
-# Parameter: demo_mode (boolean)                           #
-# Default: 0                                               #
-# Parameter: use_keypad (boolean)                          #
-# Default: 0                                               #
-# Parameter: allow_pause (boolean)                         #
-# Default: 0                                               #
-# Parameter: use_igloos (boolean)                          #
-# Default: 1                                               #
-# Parameter: save_game_summary (boolean)                   #
-# Default: 1                                               #
-#                                                          #
-# These parameters control various aspects of Tuxmath's    #
-# not directly related to the math question to be asked.   #
-############################################################
-
-# Use game sounds and background music if possible:
-use_sound = 1
-menu_sound = 1
-menu_music = 1
-
-# Use fullscreen at 640x480 resolution instead of
-# 640x480 window. Change to 0 if SDL has trouble with
-# fullscreen on your system:
-fullscreen = 1
-
-# Display jpg images for background:
-use_bkgd = 1
-
-# Run Tuxmath as demo (i.e. without user input):
-demo_mode = 0
-
-# Display onscreen numeric keypad - allows mouse-only
-# gameplay or use with touchscreens:
-use_keypad = 0
-
-# Allow 'Pause' feature - should disable this
-# when competing for high scores!
-allow_pause = 1
-
-# Use newer graphics where Tux defends igloo-
-# dwelling penguins (for those who find the older
-# images of exploding cities to be distasteful)
-use_igloos = 1
-
-# By default, Tuxmath saves summaries of the last
-# ten games in the user's .tuxmath directory. Set
-# this parameter to '0' to turn off.
-save_summary = 1
-
-
-
-############################################################
-#                                                          #
-#                   Advanced Options                       #
-#                                                          #
-# The remaining settings further customize Tuxmath's       #
-# behavior.  Most users will probably not change them.     #
-############################################################
-
-
-############################################################
-#                                                          #
-#           Advanced Math Question List Options            #
-#                                                          #
-# Parameter: question_copies (integer)                     #
-# Default: 1                                               #
-# Parameter: repeat_wrongs (boolean)                       #
-# Default: 1                                               #
-# Parameter: copies_repeated_wrongs (integer)              #
-# Default: 1                                               #
-#                                                          #
-# These settings offer further control over the question   #
-# list and are generally only useful if 'play_through_list'#
-# is enabled (as it is by default).                        #
-#                                                          #
-# 'question_copies' is the number of times each question   #
-# is put into the initial list. It can be 1 to 10.         #
-#                                                          #
-# 'repeat_wrongs' determines whether questions the player  #
-# failed to answer correctly will be asked again.          #
-#                                                          #
-# 'copies_repeated_wrongs' gives the number of times a     #
-# missed question will reappear. This can be set anywhere  #
-# from 1 to 10.                                            #
-#                                                          #
-# The defaults for these values result in a 'mission'      #
-# for Tux that is accomplished by answering all            #
-# questions correctly with at least one surviving city.    #
-############################################################
-
-question_copies = 1
-repeat_wrongs = 1
-copies_repeated_wrongs = 1
-
-############################################################
-#                                                          #
-#                 Math Question Formats                    #
-#                                                          #
-# The 'format_<op>_answer_<place>  options control         #
-# generation of questions with the answer in different     #
-# places in the equation.  i.e.:                           #
-#                                                          #
-#    format_add_answer_last:    2 + 2 = ?                  #
-#    format_add_answer_first:   ? + 2 = 4                  #
-#    format_add_answer_middle:  2 + ? = 4                  #
-#                                                          #
-# By default, 'format_answer_first' is enabled and the     #
-# other two formats are disabled.  Note that the options   #
-# are not mutually exclusive - the question list may       #
-# contain questions with different formats.                #
-#                                                          #
-# The formats are set independently for each of the four   #
-# math operations. All parameters are type 'boolean'.      #
-############################################################
-
-format_add_answer_last = 1
-format_add_answer_first = 0
-format_add_answer_middle = 0
-format_sub_answer_last = 1
-format_sub_answer_first = 0
-format_sub_answer_middle = 0
-format_mult_answer_last = 1
-format_mult_answer_first = 0
-format_mult_answer_middle = 0
-format_div_answer_last = 1
-format_div_answer_first = 0
-format_div_answer_middle = 0
-
-############################################################
-#                                                          #
-# Parameter: max_answer (integer)                          #
-# Default: 999                                             #
-#                                                          #
-# 'max_answer' is the largest absolute value allowed in    #
-# any value in a question (not only the answer). Default   #
-# is 999, which is as high as it can be set. It can be set #
-# lower to fine-tune the list for certain 'lessons'.       #
-############################################################
-
-max_answer = 999
-
-############################################################
-#                                                          #
-# Parameter: max_questions (integer)                       #
-# Default: 5000                                            #
-#                                                          #
-# 'max_questions' is limit of the length of the question   #
-# list. Default is 5000 - only severe taskmasters will     #
-# need to raise it!                                        #
-############################################################
-
-max_questions = 5000
-
-############################################################
-#                                                          #
-# Parameter: randomize (boolean)                           #
-# Default: 1                                               #
-#                                                          #
-# If 'randomize' selected, the list will be shuffled       #
-# at the start of the game. Otherwise, the questions       #
-# appear in the order the program generates them.          #
-############################################################
-
-randomize = 1
-
-############################################################
-#                                                          #
-#                Advanced Comet Speed Options              #
-#                                                          #
-# Parameter: starting_comets (integer)                     #
-# Default: 2                                               #
-# Parameter: extra_comets_per_wave (integer)               #
-# Default: 2                                               #
-# Parameter: max_comets (integer)                          #
-# Default: 10                                              #
-# Parameter: speed (float)                                 #
-# Default: 1.00                                            #
-# Parameter: max_speed (float)                             #
-# Default: 10.00                                           #
-# Parameter: speedup_factor (float)                        #
-# Default: 1.20                                            #
-# Parameter: bonus_comet_interval (integer)                #
-# Default: 10                                              #
-# Parameter: bonus_speed_ratio (float)                     #
-# Default: 1.50                                            #
-# Parameter: slow_after_wrong (bool)                       #
-# Default: 0                                               #
-#                                                          #
-# (for 'feedback' speed control system):                   #
-# Parameter: danger_level (float)                          #
-# Default: 0.35                                            #
-# Parameter: danger_level_speedup (float)                  #
-# Default: 1.1                                             #
-# Parameter: danger_level_max (float)                      #
-# Default: 0.9                                             #
-# Parameter: city_explode_handicap (float)                 #
-# Default: 0                                               #
-#                                                          #
-# The comet number parameters and initial/max speed apply  #
-# whether or not the feedback system is activated.         #
-#                                                          #
-# 'speedup_factor' and 'slow_after_wrong' only apply if    #
-# feedback is not activated.                               #
-#                                                          #
-# The 'danger_level_*' and 'city_explode_handicap'         #
-# parameters are only used if feedback is activated.       #
-############################################################
-
-
-# Number of comets for first wave. Default is 2.
-starting_comets = 2
-
-# Comets to add for each successive wave. Default is 2.
-extra_comets_per_wave = 2
-
-# Maximum number of comets. Default is 10.
-max_comets = 10
-
-# Starting comet speed. Default is 1.
-speed = 1.00
-
-# Maximum speed. Default is 10.
-max_speed = 10.00
-
-# 'speedup_factor': If feedback is not used but 
-# 'allow_speedup' is enabled, the comet speed will be
-# multiplied by this factor with each new wave.
-# Values from 0.5 to 2 are accepted (note that a 
-# value less than 1 causes the comets to be 
-# slower with each wave!).
-# Default is 1.2 (i.e. 20 percent increase per wave)
-
-speedup_factor = 1.20
-
-# 'bonus_comet_interval' controls how frequently
-# special comets appear that cause a igloo to be  
-# rebuilt if answered correctly. The bonus comet  
-# appears after this number of regular comets (a  
-# value of 0 disables bonus comets). Default is 10. 
-bonus_comet_interval = 10
-
-# 'bonus_speed_ratio' determines how fast the
-# bonus comets fall relative to the regular comets.
-# Range 1.0 - 3.0, default 1.5:
-bonus_speed_ratio = 1.50
-
-# 'slow_after_wrong' tells Tuxmath to go back to  
-# starting speed and number of comets if the player misses 
-# a question. Useful for smaller kids. Default is 0.
-
-slow_after_wrong = 0
-
-# (Feedback) Set the desired danger level.
-# 0 = too safe, comets typically exploded at the very top
-# 1 = too dangerous, comets typically exploded as they
-# hit cities. Set it somewhere between these extremes. As
-# a guideline, early elementary kids might prefer
-# 0.2-0.3, older kids at around 0.4-0.6. Default 0.35.
-
-danger_level = 0.35
-
-# (Feedback) Set danger level speedup.
-# The margin of safety will decrease by this factor each
-# wave. Default 1.1. Note 1 = no increase in danger level.
-
-danger_level_speedup = 1.10
-
-# (Feedback) Set the maximum danger level.
-# Default 0.9.
-danger_level_max = 0.90
-
-# (Feedback) Set the handicap for hitting cities.
-# When bigger than 0, this causes the game to slow down
-# by an extra amount after a wave in which one or more
-# cities get hit. Note that this is similar to
-# 'slow_after_wrong', but allows for more gradual
-# changes. Default 0 (no extra handicap).
-
-city_explode_handicap = 0.00
-
-# if keep_score is false, score will not be displayed in-game
-# default true
-
-keep_score = 1
-
-############################################################
-#                                                          #
-#                  Managing User Settings                  #
-#                                                          #
-# Parameter: per_user_config (boolean)                     #
-# Default: 1                                               #
-# Parameter: homedir (string)                              #
-# Default: <none supplied>                                 #
-#                                                          #
-# 'per_user_config' determines whether Tuxmath will look   #
-# in the user's home directory for settings. Default is 1  #
-# (yes). If set to 0, the program will ignore the user's   #
-# .tuxmath file and use the the global settings in the     #
-# installation-wide config file.                           #
-#                                                          #
-# 'homedir' allows you to specify the location to look for #
-# user home directories. You probably do not want to       #
-# specify this unless all users share the same login       #
-# account. See the README for details on configuration.    #
-# To enable this feature, remove the '#' comment mark and  #
-# set the path as desired.                                 #
-#                                                          #
-# These settings cannot be changed by an ordinary user, as #
-# they are ignored unless the config file is Tuxmath's     #
-# global config file. Thus, users cannot 'lock themselves  #
-# out' by accidentally setting per_user_config to 0.       #
-############################################################
-
-per_user_config = 1
-# homedir = /servervolume/tuxmath_users

-- 
tuxhistory - Educational history game



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