diff --git a/src/c_cvars.cpp b/src/c_cvars.cpp
index 6b0b62da7f7..48b08b005c2 100644
--- a/src/c_cvars.cpp
+++ b/src/c_cvars.cpp
@@ -183,6 +183,14 @@ void FBaseCVar::SetGenericRep (UCVarValue value, ECVarType type)
 	}
 }
 
+// ADDED BY NERO
+DEFINE_ACTION_FUNCTION(_CVar, GetBool)
+{
+	PARAM_SELF_STRUCT_PROLOGUE(FBaseCVar);
+	auto v = self->GetGenericRep(CVAR_Bool);
+	ACTION_RETURN_BOOL(v.Bool);
+}
+
 DEFINE_ACTION_FUNCTION(_CVar, GetInt)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FBaseCVar);
@@ -204,6 +212,18 @@ DEFINE_ACTION_FUNCTION(_CVar, GetString)
 	ACTION_RETURN_STRING(v.String);
 }
 
+//ADDED BY NERO
+DEFINE_ACTION_FUNCTION(_CVar, SetBool)
+{
+	PARAM_SELF_STRUCT_PROLOGUE(FBaseCVar);
+	if (!(self->GetFlags() & CVAR_MOD) && CurrentMenu == nullptr) return 0;
+	PARAM_BOOL(val);
+	UCVarValue v;
+	v.Bool = val;
+	self->SetGenericRep(v, CVAR_Bool);
+	return 0;
+}
+
 DEFINE_ACTION_FUNCTION(_CVar, SetInt)
 {
 	// Only menus are allowed to change CVARs.
diff --git a/wadsrc/static/zscript/base.txt b/wadsrc/static/zscript/base.txt
index 898265995e3..9ddcd282e90 100644
--- a/wadsrc/static/zscript/base.txt
+++ b/wadsrc/static/zscript/base.txt
@@ -301,9 +301,11 @@ struct CVar native
 
 	native static CVar FindCVar(Name name);
 	native static CVar GetCVar(Name name, PlayerInfo player = null);
+	native bool GetBool();
 	native int GetInt();
 	native double GetFloat();
 	native String GetString();
+	native void SetBool(bool b);
 	native void SetInt(int v);
 	native void SetFloat(double v);
 	native void SetString(String s);