Master cheat code:
Enter Y, Black, White, Black, Y, X, White, X at the cheats screen under the extras menu. All cheats will be unlocked. Alternately, enter Y, X, B, X, Y, A, B, A at the cheats screen under the extras menu.

Master option code:
Enter White, White, X, X, Y, Black, Y, Black at the cheats screen under the extras menu. All normal game options will be unlocked.

Level select:
Enter Black, Y, X, White, Y, Black, X, X at the cheats screen under the extras menu.

Super health:
Enter X, X, Y, White, Y, White, Black at the cheats screen under the extras menu.

Unlimited ammunition:
Enter Y, White, X, Black, Y, Black, X, White at the cheats screen under the extras menu.

Unlimited grenades:
Enter Black, X, Black, Y, X, Black, X, Black at the cheats screen under the extras menu.

Rapid rails:
Enter Black, Y, Black, Y, X, X, White, White at the cheats screen under the extras menu.

Bouncy grenades:
Enter Black, Black, Black, Black, Black, Black, Black, Black at the cheats screen under the extras menu.

Gibby explosions:
Enter White, Black, X, Y, White, Black, X, Y at the cheats screen under the extras menu.

Gibby ammunition:
Enter X, X, X, X, Black, Y, X, X at the cheats screen under the extras menu.

Fat mode:
Enter Black, Black, Black, Black, White, X, Black, Black at the cheats screen under the extras menu.

Directors cut:
Enter Y, X, Black, White, Black, X, Y, White at the cheats screen under the extras menu.

Walking dead:
Enter X, X, X, X, X, X, X, X at the cheats screen under the extras menu.

Wacky deaths:
Enter White, White, White, White, White, White, White, White at the cheats screen under the extras menu.

Rain of fire:
Enter Y, Y, Y, Y, Y, Y, Y, Y at the cheats screen under the extras menu.

Explosive personality:
Enter X at the cheats screen under the extras menu. Press Use on someone and they will gib.

Joke message:
Enter Y, X, Y, X at the cheats screen under the extras menu.