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| Extra Lives |
| To get 10 extra lives, press Right, Left, Down, Up, A, B, and Start. For a two player game, press select before you press start. Submitted by Alex Browning |
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| 00C4:4D |  | Almost invincible (can still die by falling off screen) Submitted by robyman |
| 0053:04 | | Infinite Lives Submitted by robyman |
| 0053:63 | | Infinite lives Submitted by Shoulder Rat |
| 0053:09 | | Infinite Lives Player 1 Submitted by supersonicjc |
| 0054:09 | | Infinite Lives Player 2 Submitted by supersonicjc |
| 00C4:04 | | Invincible Player 1 Submitted by supersonicjc |
| 00C5:04 | | Invincible Player 2 Submitted by supersonicjc |
| 0679:01 067A:01 067B:01 067C:01 067D:01 067E:01 067F:01 0680:01 0681:01 0682:01 0683:01 | | Kill any enemy boss, 1 hit, any weapon!!!!!!!(You may start w/these codes & leave'em on all game!) Submitted by robyman |
| 00B8:04 | | P1 always has fire gun #1 Submitted by 2000 |
| 00B8:05 | | P1 always has fire gun #2 Submitted by 2000 |
| 00B8:06 | | P1 always has fire gun #3 Submitted by 2000 |
| 00B8:03 | | P1 always has laser gun Submitted by 2000 |
| 00B8:01 | | P1 always has machine gun Submitted by 2000 |
| 00B8:00 | | P1 always has regular gun Submitted by 2000 |
| 00B8:02 | | P1 always has spreader gun Submitted by 2000 |
| 00B8:82 | | Spread Gun Submitted by robyman |
Game Genie codes |
| AEXTLIZA | | 1 life for both players |
| IEXTLIZA | | 6 lives for both players |
| TEEVIIZA | | 9 continues |
| AEXTLIZE | | 9 lives for both players |
| AENTTTZA | | Bonus life for each enemy soldier shot |
| SZOVXZVG | | Infinite continues |
| PEETLIAA | | Start at area 2 |
| ZEETLIAA | | Start at area 3 |
| LEETLIAA | | Start at area 4 |
| GEETLIAA | | Start at area 5 |
| IEETLIAA | | Start at area 6 |
| TEETLIAA | | Start at area 7 |
| EUUTGIYS GEUTZIAA YSXTPSEL | | Start game with Fireball Gun |
| EUUTGIYS YSXTPSEI UEUTZIAA | | Start game with Laser Gun Submitted by Alex Browning |
| EUUTGIYS YSXTPSEI LEUTZIAA | | Start game with Laser Gun (Rapid) Submitted by Alex Browning |
| EUUTGIYS YSXTPSEI PEUTZIAA | | Start game with Machine Gun Submitted by Alex Browning |
| EUUTGIYS YSXTPSEI OEUTZIAA | | Start game with Machine Gun (Rapid) Submitted by Ogre Killer |
| EUUTGIYS YSXTPSEI TEUTZIAA | | Start game with Short Flame Submitted by Alex Browning |
| EUUTGIYS YSXTPSEL ZEUTZIAA | | Start game with Spray Gun |
| EUUTGIYS YSXTPSEI XEUTZIAA | | Start game with Spray Gun (Rapid) Submitted by Alex Browning |
| EUUTGIYS YSXTPSEI IEUTZIAA | | Start game with Ultra Flame Submitted by Alex Browning |
