While playing the game, stop and press 'T'. Then enter the following codes and press ENTER to activate.

Code	Effect
EVA GALLI	Walk Through Walls
GOONIES	Full Map
GRISWOLD	Full Armor
HONGKONG	All Weapons & Unlimited Ammo
KEYMASTER	All Keys
MONTANA	Full Inventory
MPKFA	GOD Mode
ONERING	Invisibility (Enemies Can't See You)
SPORK	200% Health