Unlock All Cheats:
     Enter  Y, X, B, X, Y, A, B and A on the cheats menu to unlock all
cheats.

Unlock All Options:
     Enter  B, B, A, A, Y, X, Y and X on the cheats menu to unlock all
options.

Level Select:
     Enter  X,  Y,  A,  B,  X, Y, A and A on the cheats menu to unlock
level select.

Infinite Ammo:
     Enter  Y,  B,  A,  X,  Y, X, A and B on the cheats menu to unlock
infinite ammo.

Infinite Grenades:
     Enter  X,  A,  X,  Y,  A, X, A and X on the cheats menu to unlock
infinite grenades.

Bouncing Grenades Cheat:
     Enter  X, X, X, X, X, X, X and X on the cheats menu to unlock the
bouncing grenades cheat.

Director's Cut Cheat:
     Enter  Y, A, X, B, X, A, Y and B on the cheats menu to unlock the
director's cut cheat.

Fat Cheat:
     Enter  X, X, X, X, B, A, X and X on the cheats menu to unlock the
fat cheat.

Gibby Ammunition Cheat:
     Enter  A, A, A, A, X, Y, A and A on the cheats menu to unlock the
gibby ammunition cheat.

Gibby Explosion Cheat:
     Enter  B, X, A, Y, B, X, A and Y on the cheats menu to unlock the
gibby explosion cheat.

Joker Cheat:
     Enter  Y, A, Y, A, Y, A, Y and A on the cheats menu to unlock the
joker cheat.

Rain of Fire Cheat:
     Enter  Y, Y, Y, Y, Y, Y, Y and Y on the cheats menu to unlock the
rain of fire cheat.

Rapid Rail Cheat:
     Enter  X, Y, X, Y, A, A, B and B on the cheats menu to unlock the
rapid rail cheat.

Wacky Death Cheat:
     Enter  B, B, B, B, B, B, B and B on the cheats menu to unlock the
wacky death cheat.

Walking Dead Cheat:
     Enter  A, A, A, A, A, A, A and A on the cheats menu to unlock the
walking dead cheat.