Various Cheats:
Press T then enter one of the following codes

mpdrdentz Max Health
mpwonderbra Max Armor
mpyoulooklikeyouneedamonkey Get All Armor Options
mpgoattech Get All Weapon Upgrades
mpmiked End game
mpbuild Show Game Build
mpasscam 3rd Person View
mprosebud or mpracerboy Spawn Snowtruck
mpimyourfather Invincibility
mpwegotdeathstar Max Ammo
mpkingoftehmonstars All Weapons & Full Ammo
mpmaphole Mission Completed
mpflowerpower Get Paintball Mode
mpexorbitantamounts More Blood Mode
mppos Position Toggle Display
mpkingofthemonsters or mpmimimi All Weapons

Stop Spinning:
When you are playing and type in god mode or lots of guns e.c.t. sometimes you might start to spin if this occures type in MPINGEMUSTDIE and you will stop spinning and if that doesn't work type in anything with a m. (But the code helps you beat Inge also.