Stage Select
To select the starting stage, quickly press Up, Down, A, A, B, Left, Right, A, B, Up, A, Down, Right, Right, Left, B, Up, Left, A, Right, B, Left, Right, A, Left, Up, A, Down, A, Right, Left, A, then Start at the title screen. If the code has been entered correctly, the words "Phase 1" will be seen on the airplane landing screen. Press A or B to change this starting stage.
Continue Game Play
To continue playing after losing, press A, B, B, then A at the ‘Game Over’ screen. This cheat may only be used during the first three levels of the game. The same code can be used on controller 2 at any time for a second player to enter the game. The continue cheat may also be achieved by pressing B, B, A then A straight after you die and continuing to repeat this sequence until your character reappears.
Prevent Tank Explosion
When your tank turns grey and is about to explode, hold the A and B buttons simultaneously to prevent the explosion.
Twin Tanks
Position both players on a tank and press A on both controllers.
Twin Helicopters
Position both players on a helicopter and press A and B on both controllers.
Game Genie Codes
| Effect | Code |
|---|---|
| Infinite Lives | SXSNZTVI |
| Infinite missiles for tank | SXXNVUVS |
| Infinite bullets | SZONZSVS |
| Infinite grenades | SXEYZSVS |
| Begin the game with 9 lives | PAUYPTLE |
| Begin the game with 6 lives | TAUYPTLA |
| Begin the game with 1 life | PAUYPTLA |
| Begin the game with 50 bullets | ZUNNLZLT |
| Begin the game with 99 grenades | LTEYALZL |
| Begin the game with 25 grenades | PPEYALZU |