Enter one of the following codes during game play:
| Code: | Result: |
| idbehold (S, V, I, R, A, or L) | Displays Menu (Strength, Invulnerability, Invisibility, Automap, Anti-Radiation, or Light-amp) |
| idkfa | Gain 3 keys, all weapons, full ammo and 200% armor |
| idfa | Gain all weapons, full ammo and 200% armor |
| idchoppers | Gives you Chainsaw |
| iddqd | God Mode |
| idclip | Noclip |
| iddt | Toggles Auto-map |
| idclev (episode number/level) | Warp |
