| Result | Cheat Code |
| God mode | mpgod |
| All weapons | mpkfa |
| All items | mpgoshopping |
| Full ammo | mpammo |
| No clipping | mpclip |
| Full health | mphealthy |
| View coordinates | mpwhereami |
| Hide coordinates | mphideme |
| Increased power; more gore | mpbeefcake |
| Kill all monsters on level | mpkillemall |
| Increase speed | mpspeedup [1-5] |
| Increase strength | mpstronger [1-5] |
| Changes character model to Caleb | mpcaleb |
| Changes our character model to Ophelia | mpophelia |
| Changes your character model to Ishmael | mpishmael |
| Changes your character model to Gabriella | mpgabby |
| Invisibility | mptakeoffshoes |
| Add 25 to health | mpnicenurse |
| 300 health | mpreallynicenurse |
| 25 to armor | mpward |
| 100 armor | mpnewcroward |
| Will power power-up | mpcarbonfiber |
| Triple damage Power-up | mpherkermur |
| Beretta; enter again for dual weapon | mpberetta |
| Sub-machine gun; enter again for dual weapon | mpsubmachinegun |
| Flare gun; enter again for dual weapon | mpflaregun |
| Sawed-off shotgun; enter again for dual weapon | mpshotgun |
| Sniper rifle | mpsniperrifle |
| Howitzer | mphowitzer |
| Napalm cannon | mpnapalmcannon |
| Singularity generator | mpsingularity |
| Assault rifle | mpassaultrifle |
| Bug buster | mpbugbuster |
| Minigun | mpminigun |
| Cobalco laser rifle | mplaserrifle |
| Tesla cannon | mpteslacannon |
| Voodoo doll | mpvoodoo |
| The Orb | mptheorb |
| Life Leech | mplifeleech |
| Bonus weapons | mpbeansofcoolness |
| "Brian L. Goble is a programming god!" message | mpgoble |
| "Brian L. Goble is a programming god!" message | mpscorpio |
| "Jim Totaro is da man!" message | mptotaro |
| Unknown | mpsuperzug |
