Cheat mode
Press [F10] during game play, then type one of the following codes to activate the corresponding cheat function.
| God mode | godgames |
| All weapons and ammunition | winblows |
| Auto-aimed weapons | autoaim |
| Increased gore | goremode |
| Big head mode | bighead |
| Full health | healme |
| Disable enemy AI | freezer |
| Recharge flashlight battery | recharge |
| Terminator 2 skin texture | t2000 |
| Invisibility | nod3d |
Cheat mode (alternate)
Press [F10] during game play, then type one of the following codes to activate the corresponding cheat function.
| 100 Bullets | iamawimpforthis |
| All Weapons | getintomybelly |
| Big Head mode | bighead |
| Black, hot pink, and gray objects | blank |
| Charge Radiance Emitter | sunofgod |
| Crash game | instantcrash |
| Crossbow | mediumrare |
| Darker color scheme | itisdarknow |
| Darker graphics | dark |
| Disable enemy AI | hellfreezeover |
| Dismemberment mode | gibnplenty |
| Dynamite | goodtimesman |
| Easy combat | combatisscary |
| Easy difficulty | isuck |
| Easy puzzles | puzzlesarescary |
| Elephant Gun | smileynomore |
| Flamethrower | burnyourassoff |
| Flaming ammunition | flameonastick |
| Full health | givemefaith |
| Gas Mask | thedogfarted |
| Hard difficulty | irule |
| Invincibility | iworkforgod |
| Invisibility | nod3d |
| Lith Bullets | vampbeware |
| Mercy Bullets | demonbeware |
| Night Vision Goggles | icansee |
| Recharge flashlight battery | recharge |
| Shotgun | bigstickofdeath |
| Silver Bullets | wwbeware |
| Slow down or speed up time | time |
| Snow after some time | snowstorm |
| Terminator 2 skin texture | t2000 |
| Tommygun | meetmypaltommy |
| Weather is raining | thunderstorm |
| Kill all onscreen enemies | nukefart |
| Unknown | goneawhile |
| Unknown | raise |
| Unknown | oldhat |
| Unknown | step |