diff --git a/parts/globalTables.lua b/parts/globalTables.lua
index ae686457..29b037ad 100644
--- a/parts/globalTables.lua
+++ b/parts/globalTables.lua
@@ -175,6 +175,7 @@ CUSTOMENV={--gameEnv for cutsom game
 	minsdarr=0,
 	sequence="bag",
 	ospin=true,
+	deepDrop=false,
 	RS="TRS",
 
 	noTele=false,
diff --git a/parts/language/lang_en.lua b/parts/language/lang_en.lua
index 3aa3cebb..43e604ee 100644
--- a/parts/language/lang_en.lua
+++ b/parts/language/lang_en.lua
@@ -439,6 +439,7 @@ return{
 			noTele="No Teleportation",
 			RS="Rotation System",
 			ospin="O-Spin",
+			deepDrop="Deep Drop",
 			target="Target",
 			visible="Visibility",
 			freshLimit="Lock Reset Limit",
diff --git a/parts/language/lang_fr.lua b/parts/language/lang_fr.lua
index 2aadc206..9dd01c4b 100644
--- a/parts/language/lang_fr.lua
+++ b/parts/language/lang_fr.lua
@@ -419,6 +419,7 @@ return{
 			noTele="Pas de téléportation",
 			-- RS="Rotation System",
 			ospin="O-spin",
+			-- deepDrop="Deep Drop",
 			target="But",
 			visible="Visibilité",
 			freshLimit="Limite de réinit. du délai de verrouillage",
diff --git a/parts/language/lang_pt.lua b/parts/language/lang_pt.lua
index 04e06f71..c333945c 100644
--- a/parts/language/lang_pt.lua
+++ b/parts/language/lang_pt.lua
@@ -439,6 +439,7 @@ return{
 			noTele="Sem teleporte",
 			RS="Sistema de rotação",
 			ospin="O-Spin",
+			-- deepDrop="Deep Drop",
 			target="Alvo",
 			visible="Visibilidade",
 			freshLimit="Limite Reset de Trava",
diff --git a/parts/language/lang_sp.lua b/parts/language/lang_sp.lua
index e856b196..6521372a 100644
--- a/parts/language/lang_sp.lua
+++ b/parts/language/lang_sp.lua
@@ -415,6 +415,7 @@ return{
 			noTele="Sin Teleport",
 			-- RS="Rotation System",
 			ospin="O-Spin",
+			-- deepDrop="Deep Drop",
 			target="Objetivo",
 			visible="Visibilidad",
 			freshLimit="Límite de Reinicio LD",
diff --git a/parts/language/lang_symbol.lua b/parts/language/lang_symbol.lua
index 79ad134d..4f0e203b 100644
--- a/parts/language/lang_symbol.lua
+++ b/parts/language/lang_symbol.lua
@@ -296,6 +296,7 @@ return{
 			noTele="X→→X",
 			RS="''?",
 			ospin="O→Any",
+			deepDrop="\\↓↓/",
 			target="&=",
 			visible="?=",
 			freshLimit="@",
diff --git a/parts/language/lang_zh.lua b/parts/language/lang_zh.lua
index b65a348f..41259fe2 100644
--- a/parts/language/lang_zh.lua
+++ b/parts/language/lang_zh.lua
@@ -439,6 +439,7 @@ return{
 			noTele="禁止瞬移",
 			RS="旋转系统",
 			ospin="O-spin",
+			deepDrop="穿墙软降",
 			target="目标行数",
 			visible="能见度",
 			freshLimit="锁延刷新限制",
diff --git a/parts/scenes/custom_advance.lua b/parts/scenes/custom_advance.lua
index 78711543..b161a102 100644
--- a/parts/scenes/custom_advance.lua
+++ b/parts/scenes/custom_advance.lua
@@ -29,6 +29,7 @@ scene.widgetList={
 	WIDGET.newSwitch{name="fineKill",	x=910,	y=480,	font=20,disp=lnk_CUSval("fineKill"),	code=lnk_CUSrev("fineKill")},
 	WIDGET.newSwitch{name="b2bKill",	x=910,	y=550,	font=20,disp=lnk_CUSval("b2bKill"),	code=lnk_CUSrev("b2bKill")},
 	WIDGET.newSwitch{name="easyFresh",	x=910,	y=620,	font=20,disp=lnk_CUSval("easyFresh"),code=lnk_CUSrev("easyFresh")},
+	WIDGET.newSwitch{name="deepDrop",	x=910,	y=690,	font=20,disp=lnk_CUSval("deepDrop"),code=lnk_CUSrev("deepDrop")},
 
 	WIDGET.newSelector{name="RS",		x=410,	y=370,	w=260,color="sea",	list={"TRS","SRS","C2","C2sym","Classic","None"},disp=lnk_CUSval("RS"),code=lnk_CUSsto("RS")},
 	WIDGET.newSelector{name="visible",	x=840,	y=60,	w=260,color="lBlue",list={"show","easy","slow","medium","fast","none"},disp=lnk_CUSval("visible"),code=lnk_CUSsto("visible")},