Alien Vs. Predator
Start your game with the -debug command line parameter. To do this edit your properties to read avp.exe -debug

Enter the cheat console by pressing ~ + [F12] then enter these codes when using the character listed

effect - character use - code

Create CPU controlled Alien - Any -  alienbot
All weapons and ammo - Any - giveallweapons
God mode - Any - god 
Create light aura; repeat for brighter aura - Any - light
Create an CPU controlled Marine - Any - marinebot <class number> 
Player invisible to all opponents - Any - observer
Create CPU controlled Predator1 - Any - predobot <class number> 
Create CPU controlled Predator-Alien1 - Any - predalienbot
Create CPU controlled Praetorian Alien1 - Any - praetorianbot 
Create CPU controlled Xenoborg1 - Any - xenoborg
Display level coordinates - Any - showcoords
Display frame rate - Any - showfps
Display number of rendered polygons - Any - showpolycount
Replenish energy supply - Predator  - gimme_charge
God mode - Marine - freakoftheunivers 
God mode - Predator skullcollector 
God mode - Alien - theonedeadlycreautureevercreated 
Become Final Xenomorph - Alien - winneroftheonegreatbattleoftheuniverse 
List in-game help - Any - listvar
List cheat commands  - Any - listcmd
Change motion tracker volume - Marine - motiontrackervolume <0.00-1.00> 
Change motion tracker speed - Marine - motiontrackerspeed <0-16> 
Toggle crouch and crawl - Alien - crouchmode <0 or 1>
Change game speed - Any - timescale <0.0-1.0>
Toggle wire frame mode - Any - wireframemode <0 or 1> 
Toggle doppler shift on Alien sounds - Any - dopplershift <0 or 1>
Adjust amount of red in sky - Any - sky_red <number>
Adjust amount of green in sky - Any - sky_green <number>
Adjust amount of blue in sky - Any - sky_blue <number>
Adjust amount of tilt when sidestepping - Any - leanscale <number>
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