Aliens vs. Predator Gold cheats and cheat codes for PC

Cheat mode:
Run the game with the -debug command line parameter. Dung the game play 
hit ` then type any of the following case-sensitive cheat codes:
Note: After activated a cheat, you can't save the game.

Codes for any character:
ALIENBOT - Create CPU controlled Alien
GIVEALLWEAPONS - Gives all weapons and ammo
GOD - Enable god mode
SKY_RED ## - Modify amount of red in sky where ## is a number
SKY_GREEN ## - MOdify amount of green in sky where ## is a number
SKY_BLUE ## - Modify amount of blue in sky where ## is a number
LIGHT - Create light aura (reenter for brighter aura)
MARINEBOT  - Create an CPU controlled Marine
PREDOBOT  - Create CPU controlled Predator
PREDALIENBOT - Create CPU controlled Predator-Alien1
PRAETORIANBOT - Create CPU controlled Praetorian Alien
XENOBORG - Create CPU controlled Xenoborg1
OBSERVER - Player invisible to all opponents
SHOWFPS - Show frame rate
SHOWPOLYCOUNT - Show number of rendered polygons
SHOWCOORDS - Show level coordinates
LISTVAR - Display in-game help
LISTCMD - Display cheat commands
CALVINRULEZ - Developers message
LEANSCALE ## - Modify amount of tilt when sidestepping where ## is a number
TIMESCALE <0.0-1.0> - Modify game speed

Marine codes:
MOTIONTRACKERVOLUME <0.00-1.00> - Set motion tracker volume
MOTIONTRACKERSPEED <0-16> - Set motion tracker speed

Predator codes:
GIMME_CHARGE - Restore energy supply

Alien codes:
CROUCHMODE <0 or 1> - Turn off/on crouch and crawl
 
Note: Creating CPU controlled Aliens/Marines/Predators may crash the 
game if that character does not normally exist in the current level. 
Use the "Load species" code below to force the game to have the desired
character type.
 
Load species
Run the game with the "debug l[ampcxtr]" command line parameter.

The letters means the followings:

a is the alien 
m is the marine 
p is the predator 
c is the civilian 
x is the xenoborg 
t is the praetorian alien
r is the predatoralien

Note: All letters are casesensitive.
 

Cheat mode (alternate):
Complete the following objectives on the realistic or director's cut 
difficulty level to get the indicated cheats, which can be used without 
being in debug mode.

Alien Episode I - Temple
Cheat: Sniper Munch.
Objective: Perform 10 live civilian head bites. 

Alien Episode II - Escape
Cheat: Nausea.
Objective: Finish the level in under 2 minutes.

Alien Episode III - Ferarco
Cheat: Pipecleaner.
Objective: Perform 15 dead civilian head-bites. 

Alien Episode IV - Gateway
Cheat: Motion Blur.
Objective: Finish the level in less than 4 minutes with an average speed of 
more than 9 meters-per-second. 

Alien Episode V - Earthbound
Cheat: Mirror.
Objective: One live Predator head-bite.

Colonial Marine Episode I - Derelict
Cheat: John Woo Mode.
Objective: Achieve 80% head shots.

Colonial Marine Episode II - Colony
Cheat: Grenade.
Objective: Achieve 40% accuracy.

Colonial Marine Episode III - Invasion
Cheat: Warp Speed.
Objective: Finish less than 4 minutes.

Colonial Marine Episode IV - Orbital
Cheat: Land of the Giants.
Objective: Less than 20 shots. 

Colonial Marine Episode V - Tyrargo
Cheat: Slug Trail.
Objective: Kill 32 Aliens.

Predator Episode I - Waterfall
Cheat: Pigsticking.
Objective: Achieve 80% accuracy.

Predator Episode II - Area 52
Cheat: Super Gore.
Objective: Earn 25 Colonial Marine trophies. 

Predator Episode III - Vaults
Cheat: Disco Inferno.
Objective: Finish the level with under 100% damage.

Predator Episode IV - Fury 161
Cheat: Balls of Fire.
Objective: Kill 40 Aliens.

Predator Episode V - Caverns
Cheat: Rainbow Blood.
Objective: Spotted less than 15 times.

Alien Bonus II - Derelict
Cheat: Impossible Mission.
Objective: Perform 20 live Colonial Marine head-bites.

Colonial Marine Bonus I - Temple
Cheat: Free Fall.
Objective: Finish the level with under 100% damage.

Colonial Marine Bonus II - Vaults
Cheat: Under Water.
Objective: Finish the level with under 60% damage.

Predator Bonus I - Invasion
Cheat: Ticker Tape. 
Objective: Earn 15 Alien trophies.

Predator Bonus II - Escape
Cheat: TripTastic. 
Objec: Earn 10 Civilian trophies.