PLEASE NOTE: We take no responsibility for any changes you make to your hardware, software, drivers or O/S as a result of the cheats listed here. Only a few of the cheats listed have been tested and we cannot guarantee any of them will work. If you come across a bad/non-working cheat, please let us know and we will remove it.

Codes
Note: The codes should be entered at a slow, even pace.
Pause the game, hold the L and R Buttons and use the controller buttons to enter the code.

If the code was entered properly a confirmation message will appear.

CodeResult
AABAAAAAGod Mode (lasts for the entire stage)
BAAAAAAAComputer map
BBAAAAAARadiation suit
BBBAAAAAInvulnerability (limited duration)
BABAAAAABerserk Mode. Increased damage for a short time when not using weapons.
ABBAAAAAAll weapons/guns and keys for that level (if you go to another level, the code must be entered again to get the keys.)
ABAABBBAWarp to the next level