-#define GADGET_ID_CUSTOM_CAN_MOVE (GADGET_ID_CHECKBUTTON_FIRST + 9)
-#define GADGET_ID_CUSTOM_CAN_FALL (GADGET_ID_CHECKBUTTON_FIRST + 10)
-#define GADGET_ID_CUSTOM_CAN_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 11)
-#define GADGET_ID_CUSTOM_CAN_EXPLODE (GADGET_ID_CHECKBUTTON_FIRST + 12)
-#define GADGET_ID_CUSTOM_SLIPPERY (GADGET_ID_CHECKBUTTON_FIRST + 13)
-#define GADGET_ID_CUSTOM_WALKABLE (GADGET_ID_CHECKBUTTON_FIRST + 14)
-#define GADGET_ID_CUSTOM_USE_GRAPHIC (GADGET_ID_CHECKBUTTON_FIRST + 15)
-#define GADGET_ID_CUSTOM_USE_TEMPLATE (GADGET_ID_CHECKBUTTON_FIRST + 16)
-#define GADGET_ID_CUSTOM_CHANGEABLE (GADGET_ID_CHECKBUTTON_FIRST + 17)
-#define GADGET_ID_CHANGE_DELAY (GADGET_ID_CHECKBUTTON_FIRST + 18)
+#define GADGET_ID_CUSTOM_DEADLY (GADGET_ID_CHECKBUTTON_FIRST + 9)
+#define GADGET_ID_CUSTOM_CAN_MOVE (GADGET_ID_CHECKBUTTON_FIRST + 10)
+#define GADGET_ID_CUSTOM_CAN_FALL (GADGET_ID_CHECKBUTTON_FIRST + 11)
+#define GADGET_ID_CUSTOM_CAN_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 12)
+#define GADGET_ID_CUSTOM_CAN_EXPLODE (GADGET_ID_CHECKBUTTON_FIRST + 13)
+#define GADGET_ID_CUSTOM_SLIPPERY (GADGET_ID_CHECKBUTTON_FIRST + 14)
+#define GADGET_ID_CUSTOM_WALKABLE (GADGET_ID_CHECKBUTTON_FIRST + 15)
+#define GADGET_ID_CUSTOM_USE_GRAPHIC (GADGET_ID_CHECKBUTTON_FIRST + 16)
+#define GADGET_ID_CUSTOM_USE_TEMPLATE (GADGET_ID_CHECKBUTTON_FIRST + 17)
+#define GADGET_ID_CUSTOM_CHANGEABLE (GADGET_ID_CHECKBUTTON_FIRST + 18)
+#define GADGET_ID_CHANGE_DELAY (GADGET_ID_CHECKBUTTON_FIRST + 19)