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
 
 (Submitted by Brett Pulchinski - pulchin@ionsys.com)