| Cheat Code | Result |
|---|
| iworkforgod | Invincibility |
| nod3d | Invisibility |
| mediumrare | Crossbow |
| bigstickofdeath | Shotgun |
| meetmypaltommy | Tommygun |
| smileynomore | Elephant gun |
| burnyourassoff | Flamethrower |
| goodtimesman | Dynamite |
| getintomybelly | All weapons |
| iamawimpforthis | 100 bullets |
| wwbeware | Silver bullets |
| vampbeware | Lith bullets |
| demonbeware | Mercy bullets |
| flameonastick | Flaming ammunition |
| emitter sunofgod | Charge radiance |
| recharge | Recharge flashlight battery |
| icansee | Night vision goggles |
| thedogfarted | Gas mask |
| givemefaith | Full health |
| hellfreezeover | Disable enemy AI |
| combatisscary | Easy combat |
| isuck | Easy difficulty |
| puzzlesarescary | Easy puzzles |
| irule | Hard difficulty |
| gibnplenty | Dismemberment mode |
| bighead | Big head mode |
| t2000 | Terminator 2 skin texture |
| thunderstorm | Weather is raining |
| snowstorm | Weather is snowing |
| time | Slow down or speed up time |
| blank | Black, hot pink, and gray objects |
| dark | Darker graphics |
| itisdarknow | Darker color scheme |
| instantcrash | Crash game |
| goneawhile | Unknown |
| raise | Unknown |
| nukefart | Unknown |
| oldhat | Unknown |
| step | Unknown |