hold L trigger and press a,b,a,b
All keys, all weapons, full ammo, 200% armor
Hold L trigger and Press (X) 3 Times then Press (Y) 1 Time
Berserk Mode
hold L trigger and Press (A) 2 Times then Press (B) 2 Times
End Level
Hold L and Press (B) 2 Times then Press (A) 2 Times
Give Chainsaw
Hold L and Press (B) 4 Times
Gives All Weapons and Ammo, 200% armor
hold L trigger and Press (A) 4 Times
GOD Mode
Hold L and Press (X) 2 Times then press (Y) 2 Times
Invisibility
Hold L and Press (Y) 3 Times and (X) 1 Time
Light Amplification Goggles
Hold L and Press (X) 1 Time then Press (Y) 3 Times
Radiation Suit
Hold L and Press (Y) 4 Times
Show All Map
Hold L and Press (X) 4 Times
Temp Invincibility