diff --git a/source/cart_hw/md_cart.c b/source/cart_hw/md_cart.c
index a4d349a..4695425 100644
--- a/source/cart_hw/md_cart.c
+++ b/source/cart_hw/md_cart.c
@@ -46,7 +46,7 @@
 #include "eeprom_spi.h"
 #include "gamepad.h"
 
-#define CART_CNT (53)
+#define CART_CNT (54)
 
 /* Cart database entry */
 typedef struct
@@ -125,6 +125,8 @@ static const md_entry_t rom_database[CART_CNT] =
   {0x0000,0x507c,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,custom_regs_w}},
 /* Super King Kong 99 */
   {0x0000,0x7d6e,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,custom_regs_w}},
+/* Gunfight 3-in-1 */
+  {0x0000,0x6ff8,0x60,0x7f,{{0x00,0x00,0x00,0x00},{0xf00007,0xf00007,0xf00007,0xffffff},{0x600001,0x600003,0x600005,0x000000},0,1,NULL,NULL,default_regs_r,custom_regs_w}}, 
 /* Pokemon Stadium */
   {0x0000,0x843c,0x70,0x7f,{{0x00,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x000000,0x000000,0x000000,0x000000},0,1,NULL,NULL,NULL,custom_regs_w}},