-#define GADGET_ID_BLOCK_LAST_FIELD (GADGET_ID_CHECKBUTTON_FIRST + 8)
-#define GADGET_ID_SP_BLOCK_LAST_FIELD (GADGET_ID_CHECKBUTTON_FIRST + 9)
-#define GADGET_ID_INSTANT_RELOCATION (GADGET_ID_CHECKBUTTON_FIRST + 10)
-#define GADGET_ID_CAN_FALL_INTO_ACID (GADGET_ID_CHECKBUTTON_FIRST + 11)
-#define GADGET_ID_CAN_MOVE_INTO_ACID (GADGET_ID_CHECKBUTTON_FIRST + 12)
-#define GADGET_ID_DONT_COLLIDE_WITH (GADGET_ID_CHECKBUTTON_FIRST + 13)
-#define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 14)
-#define GADGET_ID_CUSTOM_EXPLODE_FIRE (GADGET_ID_CHECKBUTTON_FIRST + 15)
-#define GADGET_ID_CUSTOM_EXPLODE_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 16)
-#define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 17)
-#define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 18)
-#define GADGET_ID_CUSTOM_DEADLY (GADGET_ID_CHECKBUTTON_FIRST + 19)
-#define GADGET_ID_CUSTOM_CAN_MOVE (GADGET_ID_CHECKBUTTON_FIRST + 20)
-#define GADGET_ID_CUSTOM_CAN_FALL (GADGET_ID_CHECKBUTTON_FIRST + 21)
-#define GADGET_ID_CUSTOM_CAN_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 22)
-#define GADGET_ID_CUSTOM_SLIPPERY (GADGET_ID_CHECKBUTTON_FIRST + 23)
-#define GADGET_ID_CUSTOM_ACCESSIBLE (GADGET_ID_CHECKBUTTON_FIRST + 24)
-#define GADGET_ID_CUSTOM_USE_GRAPHIC (GADGET_ID_CHECKBUTTON_FIRST + 25)
-#define GADGET_ID_CUSTOM_USE_TEMPLATE (GADGET_ID_CHECKBUTTON_FIRST + 26)
-#define GADGET_ID_CUSTOM_CAN_CHANGE (GADGET_ID_CHECKBUTTON_FIRST + 27)
-#define GADGET_ID_CHANGE_USE_CONTENT (GADGET_ID_CHECKBUTTON_FIRST + 28)
-#define GADGET_ID_CHANGE_USE_EXPLOSION (GADGET_ID_CHECKBUTTON_FIRST + 29)
-#define GADGET_ID_CHANGE_ONLY_COMPLETE (GADGET_ID_CHECKBUTTON_FIRST + 30)
-#define GADGET_ID_CHANGE_USE_RANDOM (GADGET_ID_CHECKBUTTON_FIRST + 31)
-#define GADGET_ID_CHANGE_DELAY (GADGET_ID_CHECKBUTTON_FIRST + 32)
-#define GADGET_ID_CHANGE_BY_DIRECT_ACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
-#define GADGET_ID_CHANGE_BY_OTHER_ACT (GADGET_ID_CHECKBUTTON_FIRST + 34)
+#define GADGET_ID_GROW_INTO_DIGGABLE (GADGET_ID_CHECKBUTTON_FIRST + 8)
+#define GADGET_ID_BLOCK_LAST_FIELD (GADGET_ID_CHECKBUTTON_FIRST + 9)
+#define GADGET_ID_SP_BLOCK_LAST_FIELD (GADGET_ID_CHECKBUTTON_FIRST + 10)
+#define GADGET_ID_INSTANT_RELOCATION (GADGET_ID_CHECKBUTTON_FIRST + 11)
+#define GADGET_ID_CAN_PASS_TO_WALKABLE (GADGET_ID_CHECKBUTTON_FIRST + 12)
+#define GADGET_ID_CAN_FALL_INTO_ACID (GADGET_ID_CHECKBUTTON_FIRST + 13)
+#define GADGET_ID_CAN_MOVE_INTO_ACID (GADGET_ID_CHECKBUTTON_FIRST + 14)
+#define GADGET_ID_DONT_COLLIDE_WITH (GADGET_ID_CHECKBUTTON_FIRST + 15)
+#define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 16)
+#define GADGET_ID_CUSTOM_CAN_EXPLODE (GADGET_ID_CHECKBUTTON_FIRST + 17)
+#define GADGET_ID_CUSTOM_EXPLODE_FIRE (GADGET_ID_CHECKBUTTON_FIRST + 18)
+#define GADGET_ID_CUSTOM_EXPLODE_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 19)
+#define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 20)
+#define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 21)
+#define GADGET_ID_CUSTOM_DEADLY (GADGET_ID_CHECKBUTTON_FIRST + 22)
+#define GADGET_ID_CUSTOM_CAN_MOVE (GADGET_ID_CHECKBUTTON_FIRST + 23)
+#define GADGET_ID_CUSTOM_CAN_FALL (GADGET_ID_CHECKBUTTON_FIRST + 24)
+#define GADGET_ID_CUSTOM_CAN_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 25)
+#define GADGET_ID_CUSTOM_SLIPPERY (GADGET_ID_CHECKBUTTON_FIRST + 26)
+#define GADGET_ID_CUSTOM_ACCESSIBLE (GADGET_ID_CHECKBUTTON_FIRST + 27)
+#define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 28)
+#define GADGET_ID_CUSTOM_USE_GRAPHIC (GADGET_ID_CHECKBUTTON_FIRST + 29)
+#define GADGET_ID_CUSTOM_USE_TEMPLATE (GADGET_ID_CHECKBUTTON_FIRST + 30)
+#define GADGET_ID_CUSTOM_CAN_CHANGE (GADGET_ID_CHECKBUTTON_FIRST + 31)
+#define GADGET_ID_CHANGE_USE_CONTENT (GADGET_ID_CHECKBUTTON_FIRST + 32)
+#define GADGET_ID_CHANGE_USE_EXPLOSION (GADGET_ID_CHECKBUTTON_FIRST + 33)
+#define GADGET_ID_CHANGE_ONLY_COMPLETE (GADGET_ID_CHECKBUTTON_FIRST + 34)
+#define GADGET_ID_CHANGE_USE_RANDOM (GADGET_ID_CHECKBUTTON_FIRST + 35)
+#define GADGET_ID_CHANGE_DELAY (GADGET_ID_CHECKBUTTON_FIRST + 36)
+#define GADGET_ID_CHANGE_BY_DIRECT_ACT (GADGET_ID_CHECKBUTTON_FIRST + 37)
+#define GADGET_ID_CHANGE_BY_OTHER_ACT (GADGET_ID_CHECKBUTTON_FIRST + 38)