diff --git a/gamedir/Data-1.13/Ja2_Options.INI b/gamedir/Data-1.13/Ja2_Options.INI
index 1e7baeaa9..72b57ec73 100644
--- a/gamedir/Data-1.13/Ja2_Options.INI
+++ b/gamedir/Data-1.13/Ja2_Options.INI
@@ -2043,6 +2043,9 @@ COVER_SYSTEM_TREE_EFFECTIVENESS = 15
 ; The cover calculation is relativly hard on the cpu, so default are only two refreshes a second.
 COVER_SYSTEM_UPDATE_DELAY = 500
 
+; use xml-defined properties for various properties of tiles in your surroundings. These can modiy camo, stealth, and sound
+; effectiveness and the trap level of bombs you plant
+COVER_SYSTEM_ADDITIONAL_TILE_PROPERTIES = TRUE
 
 ;******************************************************************************************************************************
 ;******************************************************************************************************************************
diff --git a/gamedir/Data/AdditionalProperties/2clumps.xml b/gamedir/Data/AdditionalProperties/2clumps.xml
index 46584f982..e06b82cad 100644
--- a/gamedir/Data/AdditionalProperties/2clumps.xml
+++ b/gamedir/Data/AdditionalProperties/2clumps.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>2</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/2debrock.xml b/gamedir/Data/AdditionalProperties/2debrock.xml
index 89f9ad065..76f51c0bf 100644
--- a/gamedir/Data/AdditionalProperties/2debrock.xml
+++ b/gamedir/Data/AdditionalProperties/2debrock.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/2flat.xml b/gamedir/Data/AdditionalProperties/2flat.xml
index 2a6243d7a..23f47d90d 100644
--- a/gamedir/Data/AdditionalProperties/2flat.xml
+++ b/gamedir/Data/AdditionalProperties/2flat.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>2</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/2roadtle.xml b/gamedir/Data/AdditionalProperties/2roadtle.xml
index 28de219ca..5700d7118 100644
--- a/gamedir/Data/AdditionalProperties/2roadtle.xml
+++ b/gamedir/Data/AdditionalProperties/2roadtle.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>10</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/2snowgrs.xml b/gamedir/Data/AdditionalProperties/2snowgrs.xml
index d086c3e7d..866e788a6 100644
--- a/gamedir/Data/AdditionalProperties/2snowgrs.xml
+++ b/gamedir/Data/AdditionalProperties/2snowgrs.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>2</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/2weeds.xml b/gamedir/Data/AdditionalProperties/2weeds.xml
index 71b2d6a8e..d165bfded 100644
--- a/gamedir/Data/AdditionalProperties/2weeds.xml
+++ b/gamedir/Data/AdditionalProperties/2weeds.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>2</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/bombdeb.xml b/gamedir/Data/AdditionalProperties/bombdeb.xml
index 549957cd6..847215698 100644
--- a/gamedir/Data/AdditionalProperties/bombdeb.xml
+++ b/gamedir/Data/AdditionalProperties/bombdeb.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>10</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/bones.xml b/gamedir/Data/AdditionalProperties/bones.xml
index 700f2cc5d..a1cba2fc2 100644
--- a/gamedir/Data/AdditionalProperties/bones.xml
+++ b/gamedir/Data/AdditionalProperties/bones.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/bones2.xml b/gamedir/Data/AdditionalProperties/bones2.xml
index 700f2cc5d..a1cba2fc2 100644
--- a/gamedir/Data/AdditionalProperties/bones2.xml
+++ b/gamedir/Data/AdditionalProperties/bones2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/cvfl4.xml b/gamedir/Data/AdditionalProperties/cvfl4.xml
index cf17c5885..c608fef2b 100644
--- a/gamedir/Data/AdditionalProperties/cvfl4.xml
+++ b/gamedir/Data/AdditionalProperties/cvfl4.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/debrocks.xml b/gamedir/Data/AdditionalProperties/debrocks.xml
index e2b952736..b9f1c20db 100644
--- a/gamedir/Data/AdditionalProperties/debrocks.xml
+++ b/gamedir/Data/AdditionalProperties/debrocks.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/f_weed.xml b/gamedir/Data/AdditionalProperties/f_weed.xml
index 71b2d6a8e..d165bfded 100644
--- a/gamedir/Data/AdditionalProperties/f_weed.xml
+++ b/gamedir/Data/AdditionalProperties/f_weed.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>2</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/fl_weed.xml b/gamedir/Data/AdditionalProperties/fl_weed.xml
index 71b2d6a8e..d165bfded 100644
--- a/gamedir/Data/AdditionalProperties/fl_weed.xml
+++ b/gamedir/Data/AdditionalProperties/fl_weed.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>2</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flat_06.xml b/gamedir/Data/AdditionalProperties/flat_06.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/flat_06.xml
+++ b/gamedir/Data/AdditionalProperties/flat_06.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flat_r1.xml b/gamedir/Data/AdditionalProperties/flat_r1.xml
index f24c608a7..b65c57621 100644
--- a/gamedir/Data/AdditionalProperties/flat_r1.xml
+++ b/gamedir/Data/AdditionalProperties/flat_r1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flat_r2.xml b/gamedir/Data/AdditionalProperties/flat_r2.xml
index f24c608a7..b65c57621 100644
--- a/gamedir/Data/AdditionalProperties/flat_r2.xml
+++ b/gamedir/Data/AdditionalProperties/flat_r2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flat_r3.xml b/gamedir/Data/AdditionalProperties/flat_r3.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/flat_r3.xml
+++ b/gamedir/Data/AdditionalProperties/flat_r3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flat_r4.xml b/gamedir/Data/AdditionalProperties/flat_r4.xml
index f24c608a7..b65c57621 100644
--- a/gamedir/Data/AdditionalProperties/flat_r4.xml
+++ b/gamedir/Data/AdditionalProperties/flat_r4.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/floor_02.xml b/gamedir/Data/AdditionalProperties/floor_02.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/floor_02.xml
+++ b/gamedir/Data/AdditionalProperties/floor_02.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/floor_1.xml b/gamedir/Data/AdditionalProperties/floor_1.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/floor_1.xml
+++ b/gamedir/Data/AdditionalProperties/floor_1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/floor_2.xml b/gamedir/Data/AdditionalProperties/floor_2.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/floor_2.xml
+++ b/gamedir/Data/AdditionalProperties/floor_2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/floor_3.xml b/gamedir/Data/AdditionalProperties/floor_3.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/floor_3.xml
+++ b/gamedir/Data/AdditionalProperties/floor_3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/floor_4.xml b/gamedir/Data/AdditionalProperties/floor_4.xml
index 5a17c79aa..5e835885c 100644
--- a/gamedir/Data/AdditionalProperties/floor_4.xml
+++ b/gamedir/Data/AdditionalProperties/floor_4.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/floor_8.xml b/gamedir/Data/AdditionalProperties/floor_8.xml
index ba5043206..30717ea33 100644
--- a/gamedir/Data/AdditionalProperties/floor_8.xml
+++ b/gamedir/Data/AdditionalProperties/floor_8.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>10</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flortst3.xml b/gamedir/Data/AdditionalProperties/flortst3.xml
index bd2a3f776..228af97d0 100644
--- a/gamedir/Data/AdditionalProperties/flortst3.xml
+++ b/gamedir/Data/AdditionalProperties/flortst3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-1</bSoundModifier>
 <bStealthDifficultyModifer>-10</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/flortst4.xml b/gamedir/Data/AdditionalProperties/flortst4.xml
index 8080f451b..42a01d5d0 100644
--- a/gamedir/Data/AdditionalProperties/flortst4.xml
+++ b/gamedir/Data/AdditionalProperties/flortst4.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-1</bSoundModifier>
 <bStealthDifficultyModifer>-10</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/h-debri1.xml b/gamedir/Data/AdditionalProperties/h-debri1.xml
index fb42a1622..ecb2c2628 100644
--- a/gamedir/Data/AdditionalProperties/h-debri1.xml
+++ b/gamedir/Data/AdditionalProperties/h-debri1.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/h-floor2.xml b/gamedir/Data/AdditionalProperties/h-floor2.xml
index 0183d20c8..995d8cf97 100644
--- a/gamedir/Data/AdditionalProperties/h-floor2.xml
+++ b/gamedir/Data/AdditionalProperties/h-floor2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/hos_deb1.xml b/gamedir/Data/AdditionalProperties/hos_deb1.xml
index d0957ea65..a838e4360 100644
--- a/gamedir/Data/AdditionalProperties/hos_deb1.xml
+++ b/gamedir/Data/AdditionalProperties/hos_deb1.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/hos_deb2.xml b/gamedir/Data/AdditionalProperties/hos_deb2.xml
index fec87cb12..077847cb7 100644
--- a/gamedir/Data/AdditionalProperties/hos_deb2.xml
+++ b/gamedir/Data/AdditionalProperties/hos_deb2.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/hosflor.xml b/gamedir/Data/AdditionalProperties/hosflor.xml
index 54f973aee..fc0280040 100644
--- a/gamedir/Data/AdditionalProperties/hosflor.xml
+++ b/gamedir/Data/AdditionalProperties/hosflor.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/i_floor.xml b/gamedir/Data/AdditionalProperties/i_floor.xml
index 1e7133adc..0aca524bc 100644
--- a/gamedir/Data/AdditionalProperties/i_floor.xml
+++ b/gamedir/Data/AdditionalProperties/i_floor.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/jaildeb.xml b/gamedir/Data/AdditionalProperties/jaildeb.xml
index fec87cb12..077847cb7 100644
--- a/gamedir/Data/AdditionalProperties/jaildeb.xml
+++ b/gamedir/Data/AdditionalProperties/jaildeb.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/jaildeb2.xml b/gamedir/Data/AdditionalProperties/jaildeb2.xml
index fec87cb12..077847cb7 100644
--- a/gamedir/Data/AdditionalProperties/jaildeb2.xml
+++ b/gamedir/Data/AdditionalProperties/jaildeb2.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/jaildeb3.xml b/gamedir/Data/AdditionalProperties/jaildeb3.xml
index fec87cb12..077847cb7 100644
--- a/gamedir/Data/AdditionalProperties/jaildeb3.xml
+++ b/gamedir/Data/AdditionalProperties/jaildeb3.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/jailflor.xml b/gamedir/Data/AdditionalProperties/jailflor.xml
index 54f973aee..fc0280040 100644
--- a/gamedir/Data/AdditionalProperties/jailflor.xml
+++ b/gamedir/Data/AdditionalProperties/jailflor.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/l_weed1.xml b/gamedir/Data/AdditionalProperties/l_weed1.xml
index 71b2d6a8e..d165bfded 100644
--- a/gamedir/Data/AdditionalProperties/l_weed1.xml
+++ b/gamedir/Data/AdditionalProperties/l_weed1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>2</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/l_weed2.xml b/gamedir/Data/AdditionalProperties/l_weed2.xml
index 71b2d6a8e..d165bfded 100644
--- a/gamedir/Data/AdditionalProperties/l_weed2.xml
+++ b/gamedir/Data/AdditionalProperties/l_weed2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>2</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/l_weed3.xml b/gamedir/Data/AdditionalProperties/l_weed3.xml
index 097f46c15..e06fc40af 100644
--- a/gamedir/Data/AdditionalProperties/l_weed3.xml
+++ b/gamedir/Data/AdditionalProperties/l_weed3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/leaves.xml b/gamedir/Data/AdditionalProperties/leaves.xml
index 6f05bbf42..f4f5e5647 100644
--- a/gamedir/Data/AdditionalProperties/leaves.xml
+++ b/gamedir/Data/AdditionalProperties/leaves.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>50</bStealthDifficultyModifer>
+<bTrapBonus>2</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/litter.xml b/gamedir/Data/AdditionalProperties/litter.xml
index 345c5b2a9..8b09a0a88 100644
--- a/gamedir/Data/AdditionalProperties/litter.xml
+++ b/gamedir/Data/AdditionalProperties/litter.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/miniweed.xml b/gamedir/Data/AdditionalProperties/miniweed.xml
index ec5c52b34..c3ffa4d08 100644
--- a/gamedir/Data/AdditionalProperties/miniweed.xml
+++ b/gamedir/Data/AdditionalProperties/miniweed.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>10</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-debri1.xml b/gamedir/Data/AdditionalProperties/p-debri1.xml
index d4d3d0a7b..884739249 100644
--- a/gamedir/Data/AdditionalProperties/p-debri1.xml
+++ b/gamedir/Data/AdditionalProperties/p-debri1.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-4</bSoundModifier>
 <bStealthDifficultyModifer>-40</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-debri2.xml b/gamedir/Data/AdditionalProperties/p-debri2.xml
index d4d3d0a7b..884739249 100644
--- a/gamedir/Data/AdditionalProperties/p-debri2.xml
+++ b/gamedir/Data/AdditionalProperties/p-debri2.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-4</bSoundModifier>
 <bStealthDifficultyModifer>-40</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-debri3.xml b/gamedir/Data/AdditionalProperties/p-debri3.xml
index d4d3d0a7b..884739249 100644
--- a/gamedir/Data/AdditionalProperties/p-debri3.xml
+++ b/gamedir/Data/AdditionalProperties/p-debri3.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-4</bSoundModifier>
 <bStealthDifficultyModifer>-40</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-floor1.xml b/gamedir/Data/AdditionalProperties/p-floor1.xml
index d7e07f18b..3f64dbfac 100644
--- a/gamedir/Data/AdditionalProperties/p-floor1.xml
+++ b/gamedir/Data/AdditionalProperties/p-floor1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-floor2.xml b/gamedir/Data/AdditionalProperties/p-floor2.xml
index dffe027bb..15d1e258a 100644
--- a/gamedir/Data/AdditionalProperties/p-floor2.xml
+++ b/gamedir/Data/AdditionalProperties/p-floor2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-floor3.xml b/gamedir/Data/AdditionalProperties/p-floor3.xml
index ad3a8d49e..8fd32bcd6 100644
--- a/gamedir/Data/AdditionalProperties/p-floor3.xml
+++ b/gamedir/Data/AdditionalProperties/p-floor3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-floor4.xml b/gamedir/Data/AdditionalProperties/p-floor4.xml
index 122126692..f23a69a62 100644
--- a/gamedir/Data/AdditionalProperties/p-floor4.xml
+++ b/gamedir/Data/AdditionalProperties/p-floor4.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-3</bSoundModifier>
 <bStealthDifficultyModifer>-20</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-roof1.xml b/gamedir/Data/AdditionalProperties/p-roof1.xml
index f24c608a7..b65c57621 100644
--- a/gamedir/Data/AdditionalProperties/p-roof1.xml
+++ b/gamedir/Data/AdditionalProperties/p-roof1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/p-roof2.xml b/gamedir/Data/AdditionalProperties/p-roof2.xml
index f24c608a7..b65c57621 100644
--- a/gamedir/Data/AdditionalProperties/p-roof2.xml
+++ b/gamedir/Data/AdditionalProperties/p-roof2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/pit_1.xml b/gamedir/Data/AdditionalProperties/pit_1.xml
index cf17c5885..12d850f8a 100644
--- a/gamedir/Data/AdditionalProperties/pit_1.xml
+++ b/gamedir/Data/AdditionalProperties/pit_1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/roadtle2.xml b/gamedir/Data/AdditionalProperties/roadtle2.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/roadtle2.xml
+++ b/gamedir/Data/AdditionalProperties/roadtle2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/runway.xml b/gamedir/Data/AdditionalProperties/runway.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/runway.xml
+++ b/gamedir/Data/AdditionalProperties/runway.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/s_water.xml b/gamedir/Data/AdditionalProperties/s_water.xml
index 43c0994fd..ae53ab80b 100644
--- a/gamedir/Data/AdditionalProperties/s_water.xml
+++ b/gamedir/Data/AdditionalProperties/s_water.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>5</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sand1.xml b/gamedir/Data/AdditionalProperties/sand1.xml
index c22b549ef..1ebc93edd 100644
--- a/gamedir/Data/AdditionalProperties/sand1.xml
+++ b/gamedir/Data/AdditionalProperties/sand1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sand2.xml b/gamedir/Data/AdditionalProperties/sand2.xml
index d04db9188..dc94d0d54 100644
--- a/gamedir/Data/AdditionalProperties/sand2.xml
+++ b/gamedir/Data/AdditionalProperties/sand2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sand3.xml b/gamedir/Data/AdditionalProperties/sand3.xml
index d04db9188..dc94d0d54 100644
--- a/gamedir/Data/AdditionalProperties/sand3.xml
+++ b/gamedir/Data/AdditionalProperties/sand3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sand4.xml b/gamedir/Data/AdditionalProperties/sand4.xml
index d04db9188..dc94d0d54 100644
--- a/gamedir/Data/AdditionalProperties/sand4.xml
+++ b/gamedir/Data/AdditionalProperties/sand4.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sblast.xml b/gamedir/Data/AdditionalProperties/sblast.xml
index a755258dd..fb75af7a3 100644
--- a/gamedir/Data/AdditionalProperties/sblast.xml
+++ b/gamedir/Data/AdditionalProperties/sblast.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>10</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sew_flor.xml b/gamedir/Data/AdditionalProperties/sew_flor.xml
index 544b59245..c8daec3b6 100644
--- a/gamedir/Data/AdditionalProperties/sew_flor.xml
+++ b/gamedir/Data/AdditionalProperties/sew_flor.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>40</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sn_grs_1.xml b/gamedir/Data/AdditionalProperties/sn_grs_1.xml
index 11287a785..7ae18b9df 100644
--- a/gamedir/Data/AdditionalProperties/sn_grs_1.xml
+++ b/gamedir/Data/AdditionalProperties/sn_grs_1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>25</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sn_patch.xml b/gamedir/Data/AdditionalProperties/sn_patch.xml
index 734fb9ba9..174de8fc7 100644
--- a/gamedir/Data/AdditionalProperties/sn_patch.xml
+++ b/gamedir/Data/AdditionalProperties/sn_patch.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>25</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/snow_1.xml b/gamedir/Data/AdditionalProperties/snow_1.xml
index 74e45382e..fa033a2ab 100644
--- a/gamedir/Data/AdditionalProperties/snow_1.xml
+++ b/gamedir/Data/AdditionalProperties/snow_1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>2</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/snow_2.xml b/gamedir/Data/AdditionalProperties/snow_2.xml
index 88c0e75e0..aea1c3478 100644
--- a/gamedir/Data/AdditionalProperties/snow_2.xml
+++ b/gamedir/Data/AdditionalProperties/snow_2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>25</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/srunway.xml b/gamedir/Data/AdditionalProperties/srunway.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/srunway.xml
+++ b/gamedir/Data/AdditionalProperties/srunway.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/street2.xml b/gamedir/Data/AdditionalProperties/street2.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/street2.xml
+++ b/gamedir/Data/AdditionalProperties/street2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/sweeds.xml b/gamedir/Data/AdditionalProperties/sweeds.xml
index 71b2d6a8e..d165bfded 100644
--- a/gamedir/Data/AdditionalProperties/sweeds.xml
+++ b/gamedir/Data/AdditionalProperties/sweeds.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>2</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/t_sand1.xml b/gamedir/Data/AdditionalProperties/t_sand1.xml
index d04db9188..dc94d0d54 100644
--- a/gamedir/Data/AdditionalProperties/t_sand1.xml
+++ b/gamedir/Data/AdditionalProperties/t_sand1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/t_sand3.xml b/gamedir/Data/AdditionalProperties/t_sand3.xml
index d04db9188..dc94d0d54 100644
--- a/gamedir/Data/AdditionalProperties/t_sand3.xml
+++ b/gamedir/Data/AdditionalProperties/t_sand3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/template.xml b/gamedir/Data/AdditionalProperties/template.xml
index 49f12ab13..c8541d74a 100644
--- a/gamedir/Data/AdditionalProperties/template.xml
+++ b/gamedir/Data/AdditionalProperties/template.xml
@@ -13,5 +13,7 @@ DIRT_ROAD, LOW_GRASS, HIGH_GRASS, TRAIN_TRACKS, LOW_WATER, MED_WATER, DEEP_WATER
 <bSoundModifier>0</bSoundModifier><!-- how much louder will be footstep sound on this tile (in tile range ) (-10 - 10) -->
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer><!-- how much more difficult will be sneaking through this tile (in percents, can be negative) -->
 
+<bTrapBonus>0</bTrapBonus><!-- bonus to trap level set on this tile (-10 - 10) -->
+
 </ADDITIONALTILEPROPERTIES>
 <!-- note: for "regwater" tiles (texture 6) properties will be set for edges only -->
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/tr_water.xml b/gamedir/Data/AdditionalProperties/tr_water.xml
index d04db9188..dc94d0d54 100644
--- a/gamedir/Data/AdditionalProperties/tr_water.xml
+++ b/gamedir/Data/AdditionalProperties/tr_water.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>1</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/tweed.xml b/gamedir/Data/AdditionalProperties/tweed.xml
index 16b82c769..a7450bc14 100644
--- a/gamedir/Data/AdditionalProperties/tweed.xml
+++ b/gamedir/Data/AdditionalProperties/tweed.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>1</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>20</bStealthDifficultyModifer>
+<bTrapBonus>1</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/twigs.xml b/gamedir/Data/AdditionalProperties/twigs.xml
index ad24e467c..81f2068f1 100644
--- a/gamedir/Data/AdditionalProperties/twigs.xml
+++ b/gamedir/Data/AdditionalProperties/twigs.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>30</bStealthDifficultyModifer>
+<bTrapBonus>2</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/w-roof1.xml b/gamedir/Data/AdditionalProperties/w-roof1.xml
index f24c608a7..b65c57621 100644
--- a/gamedir/Data/AdditionalProperties/w-roof1.xml
+++ b/gamedir/Data/AdditionalProperties/w-roof1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/welflor1.xml b/gamedir/Data/AdditionalProperties/welflor1.xml
index 662cd7052..b719dd3da 100644
--- a/gamedir/Data/AdditionalProperties/welflor1.xml
+++ b/gamedir/Data/AdditionalProperties/welflor1.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>0</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/welflor2.xml b/gamedir/Data/AdditionalProperties/welflor2.xml
index 122126692..f23a69a62 100644
--- a/gamedir/Data/AdditionalProperties/welflor2.xml
+++ b/gamedir/Data/AdditionalProperties/welflor2.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>-3</bSoundModifier>
 <bStealthDifficultyModifer>-20</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/welflor3.xml b/gamedir/Data/AdditionalProperties/welflor3.xml
index dffe027bb..15d1e258a 100644
--- a/gamedir/Data/AdditionalProperties/welflor3.xml
+++ b/gamedir/Data/AdditionalProperties/welflor3.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>3</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/wp_deb.xml b/gamedir/Data/AdditionalProperties/wp_deb.xml
index 0ac5c0d88..6d62531bf 100644
--- a/gamedir/Data/AdditionalProperties/wp_deb.xml
+++ b/gamedir/Data/AdditionalProperties/wp_deb.xml
@@ -7,4 +7,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file
diff --git a/gamedir/Data/AdditionalProperties/wp_floor.xml b/gamedir/Data/AdditionalProperties/wp_floor.xml
index 55c88349d..b9bab498e 100644
--- a/gamedir/Data/AdditionalProperties/wp_floor.xml
+++ b/gamedir/Data/AdditionalProperties/wp_floor.xml
@@ -6,4 +6,5 @@
 <bCamoStanceModifer>0</bCamoStanceModifer>
 <bSoundModifier>2</bSoundModifier>
 <bStealthDifficultyModifer>0</bStealthDifficultyModifer>
+<bTrapBonus>-3</bTrapBonus>
 </ADDITIONALTILEPROPERTIES>
\ No newline at end of file