Enter these at the cheat menu in options (also found in the start menu during gameplay)


Infinite ammo: Ugly Dark Heated Orange Quaff
Infinite rage: Pimp Reap Dark Dark Muse
Carnage Points: Cargo Fire Imp Kak
Gun Experience: Late Nurture Qweef Super
Freeze Enemies: Blue Green Purple Imp
Overload Mode: This Dark Distorted Reality
Time Factor: Quantum Lament Distorted Doting
Unlimited Rage: Pimp Reap Dark Dark Muse
Unlock All Combos: Bone This Curry Vote
Unlock All Guns: Whiskey Fake Kablow Shoot
Unlock Everything (stages): Want This Dark Reality Taint Qweef
Unlock Outfits: Whack Lick Erotic Cunningly