While playing a game, press T for the "Talk" feature, then enter one of the following codes to activate the corresponding cheat function:
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