Type "bubbles" at any menu to enable cheat mode. If you entered the code correctly, you will hear a sound. Then, enter one of the following codes:
Cheat Code
Result
iamzeusGod mode
iammontyAll weapons, full ammo
fullmontyLevel select [Note]
titsootAdult textures on special ship
jimbeanToggle beam weapons
lumberjackToggle missile weapons
Note: Press [Down] to select a level.