Extra weapons
Type "baabaa" at the weapons option screen. Then, exploding sheep, the banana bomb, and full motion with the ninja rope will be available during game play. Type "aabaab" at the weapons option screen to disable cheat mode.

Rapid fire missiles
Type "aabaab" while shooting a mini-gun.

Extra turn
Type "aabaab" while firing a banana bomb.

Unlimited bazooka missiles
Select a target with the Uzi, then hold [Shift] + [F1] and press [Space].