While playing, press WHITE, L, BLACK, R, A.

While playing, press WHITE, L, BLACK, R, B.

While playing, press WHITE, L, BLACK, R, Y.

While playing, press WHITE, WHITE, R, R.

The weapon codes are easy to decipher once you have the pattern down! Enter them while playing to get them:

Pistol - LEFT, RIGHT, DOWN, WHITE, Y
Tazer - LEFT, RIGHT, DOWN WHITE, B
Pepper Spray - LEFT, RIGHT, DOWN WHITE, X
Tear Gas - LEFT, RIGHT, DOWN WHITE, A

Shotgun - LEFT, RIGHT, DOWN, L, Y

Minigun - LEFT, RIGHT, DOWN, BLACK, Y
Flamethrower - LEFT, RIGHT, DOWN, BLACK, B
Grenade Launcher - LEFT, RIGHT, DOWN, BLACK, X
Rocket Launcher - LEFT, RIGHT, DOWN, BLACK, A

AK47 - LEFT, RIGHT, DOWN, R, Y
M16 - LEFT, RIGHT, DOWN, R, B
Grenade - LEFT, RIGHT, DOWN, R, X
Molotov Cocktail - LEFT, RIGHT, DOWN, R, A

Skip levels by entering LEFT, LEFT, LEFT, LEFT, Y.

Select a different level using WHITE, L, L, L, WHITE, A

Kill enemies using your hands with WHITE, L, BLACK, R, X. You can kill anyone instantly with this code in effect.

Change your size using these codes while playing:

Small - BLACK, R, WHITE, L, A. Normal - BLACK, R, WHITE, L, X (or B) Biggee - BLACK, R, WHITE, L, Y.

While playing, press BLACK, WHITE, R, L, Y

While playing KAOS Mode, press RIGHT, RIGHT, RIGHT, RIGHT, A.

While playing KAOS Mode, press RIGHT, RIGHT, RIGHT, RIGHT, B.

While playing KAOS Mode, press RIGHT, RIGHT, RIGHT, RIGHT, Y.