Demo and Full Version:
\FMK            Full health
\BLOAD          Level warp
\VICI           End level
\SPUTNIK        Full automap
\AMOBJECT       Shows objects on automap
\OREILLY        Radar tracker
\AIMOVE         Enemy AI toggle
\DUNHOUR        Kill all enemies
\GRAV           Lower gravity
\POED           No gravity
\BLUB           Slo-mo toggle
\FRAME          Display framerate
\76TRUMBOS      Display SFX
\GPS            Display location
\OUCH           Hurt youself
\\              Repeat last cheat

Demo Only:
\FUSHIPI        Invincibility toggle
\GUNS           All weapons and ammo
\BLOODLUST      Microchip powerup
\XMAS           All items
\TUNNEL         Walk-through walls/Solid walls toggle
\2KRAD4U        Kill yourself

Full Version Only:
\RAGAMUFFIN     Invincibility toggle
\ARMS           All weapons and ammo
\GIFT           All items
\DIG            Walk-through walls/Solid walls toggle
\OVERDRIVE      Microchip powerup
\GOBBET         Kill yourself
\GUNS           Take away ammo