Enter the following at the 'Cheats' screen:
FMNFB The Big CheatEMERPUS Invincibility
TEXAS All weapons for level
MADMAN Unlimited ammo
SELLOUT Level select
SLLEWGH Invisibility
HEID Big heads
ZOO Zoo mode (kill any animal with war club)
HUNTER Unlock Demo mode and Target mini-game
I take no credit for getting these cheats..
