Skynet

Hit ALT and \ at the same time to be able to enter these codes:

GARBLE - Garble cheat codes toggle
SUPERUZI - Get the Super UZI
ICANTSEE - Show viewscreen
WHOAMI - Shows your name
COUNTERS - Shows current co-ordinates
VERSION - Shows version
HELLO - Shows message: Hello?
WILLNOTSTOP - Invincibility
ARNOLD - All Guns
SLUGS - All Ammo
ILLBEBACK - Skip that Level