Debug Mode:

Go to the Password screen and enter QQQQ QQQQ QQQQ QQQQ. It will then say ‘Invaild password.’ Exit and go to the Options screen and there will be a Debug Mode.

GameShark Codes

Infinite ammo 	80163A2D 0064
		80163A2F 0064
		80163A31 0064
		80163A33 0064

All Weapons    	801639EB 007F 

Thanks to Revolution readers John Buchanan, Jason Meyers, Paul Moran, Mallowish, and Danny Glenn!