Various cheats 
     For  any  of these codes to work, you must first hit Alt and \ at
the  same  time.  You  don't need to hold down Alt +\, but when you're
done typing the code hit Enter.

Cheat code:             Effect:
Arnold                  All weapons
counters                Shows current coordinates
garble                  Toggle cheat code garble
hello                   Gives you a response
icantsee                Infrared targetting scope with zoom
illbeback               Ends mission
nitrous                 Unlimited Time
slugs                   More weapons
supertracker            Tracker
superuzi                The Super Uzi!!!
surgery                 Full Health
target                  Target lock
version                 Shows version
whoami                  Shows your name
willnotstop             God Mode