Secret telephone weapon
Successfully complete the game. Press Start to pause game play, then press Right, Left, Right, Left, Down, Down, Up, Up, Circle, Square, Circle, Circle, Square, Square. This code is revealed after completing the game under the normal difficulty setting.
Secret baby rattle weapon
Successfully complete the game. Press Start to pause game play, then press Left, Left, Right, Right, Circle, Square, Square, Circle, Up, Down. This code is revealed after completing the game under the easy difficulty setting.
Secrete chainsaw weapon
Press Start to pause game play, then press Up, Down, Up, Down, Left, Right, Left, Right, Circle, Square, Circle, Square.
Secret swordfish weapon
Successfully complete the game. Press Start to pause game play, then press Up, Up, Down, Down, Left, Right, Left, Right, Circle, Square, Circle, Square. This code is revealed after completing the game under the hard difficulty setting.
Cheats submited by Mike on November 29, 2006