Enter "gabbagabbahey" and then type the following codes to activate the corresponding cheat function:
honestbob: All weapons
mitzi: All keys
twilight: Full shields
scourger: WowieZowie weapons
racerx: Invulnerability
guile: Toggle cloak
farmerjoe[level number]: Level select
buggin: Turbo mode
bruin: Extra life
astral: Pass through doors, not walls
flash: Display exit path
ahimsa: Disable enemy fire
lunacy: Fast robots
biopsytoys or poboys: Destroy reactor