View FMV sequences:
Press Z, A, Z, A, B, A, B, Y, C, A, C, A at the title screen, while "Press Start Button" is displayed. Press A to skip to the next FMV sequence.

Refuel and reload:
Press L, A, Z, Y, A, Down(2) at the title screen, while "Press Start Button" is displayed. The phrase "There she is, beans and bullets are on the way" will be spoken to confirm correct code entry. Press Start during game play to refuel and reload.

Level skip:
Hold C + B + A + Up + L (in that sequence) at the title screen, while "Press Start Button" is displayed. Keep the buttons held, and release them individually in this order: A, C, L, Up. The phrase "Blackhole engaged" will be spoken to confirm correct code entry. Hold A + B + C + Up + L during game play to skip to the next level. Hold X + Y + Z + Up + L during game play to return to the previous level.

Invincibility:
Hold A + B + C (in that sequence) at the title screen, while "Press Start Button" is displayed. Keep the buttons held, and release them individually in this order C, B, A. Next, press B, A, B, Y. Hold X, hold Up, hold Down, release X, release Down. The phrase "You are on the wrong team" will be spoken to confirm correct code entry.

In-game reset:
Hold A + B + C and press Start during game play.

Nuclear bomb:
Press Up(3), A, Z, A, Down(3) at the title screen, while "Press Start Button" is displayed. The phrase "You are fooling with the wrong person" will be spoken to confirm correct code entry.