Select "Options" then "Hacking/Coding". Enter one of the following codes to activate the corresponding cheat function.

Effect	Code
Unbreakable	willis
Unlimited bullet time	newyorkminute
Unlimited ammunition	FLCL
4x strength	arnold
Super speed	gump
Laser guide	guide
Super jump	hop
All enemies have explosives	apollo
Extended reach	armstrong
Spawn with minigun	minnie
Dual wield two pistols	nbbftl