Cheat for All Weapons w/ Full Ammo:
Pause during game and press L2
+ R1, X, O, UP, Up, Square, Down.
GameShark Codes
Have Machine Gun
300f095a0063
Have Dynamite
300f095b0063
Have Grenades
300f09560063
Have Rocket Launcher
300f09570063
Have Bazooka
300f09580063
Have Flamethrower
300f09590063
Have Land Mine
300f095c0063
Have Medpaks
300f095d0063
Have Mine Detector
300f095e0001
Have Binoculars
300f095f0001
Thanks to Revolution readers Gomer P. and Sam!