Necrodome
Press [T] before all codes for the text box:
excalibur - all weapons
smallrocks - full ammo
verysmallrocks - neverending ammo
shrubbery - all gear (health kits, napalm, etc.)
swallow - full tank of gas
unladenswallow - bottomless tank of gas
rabbit - shields recharged
igotbetter - Health Recharged
knight - Invincible
coconuts - Linear Movement (Weird!)
grail - gives you the arena flag
camelot - conquers arena
gimmesomesugarbaby - all weapons and gear
alreadygotone - all arenas become available
antioch - kills all opponents