Put in one of the following as your PROFILE name for the cheat to have effect:

BRUTAL- Brutal Difficulty (Hardest)
DBLDAY- Die Faster
DEADAIM- Better Aim
ERINROBERTS- Better Defense
HVYMTL- Get Cartoon Mode
MATTSOELL- Tougher Characters
RAPIDFIRE- Rapid Fire Weapons
SPRAGNT- Stupid AI
GARNER- All Characters
VENGAR- All Mission Maps
GARVEN- NEW Brutus Appereance
GARNERVEN- Brutus Changes

Go to a level were enemies have sveepers.

Kill everyone exept a guy with a sveeper. Get him up to a rock.

Walk up to him he will not shoot for if he does he will kill himself so you can kill him with ease and he will do nothing.

On the first level on the game where you first see the enemys the "red hand".



Hide from them and if you have a frag then throw it about 5 feet in front of you, get on the wall and the explosion will make you go into a glitch and you can run around and kill people.