Aliens vs. Predator Cheats

MOTIONTRACKERSPEED - Speed up/slow down the pulse rate of the Marine's motion tracker (range from 0-16, default is 1).
TIMESCALE # - Change the rate at which time flows in the game, e.g. 0.5 will make time pass at half the normal speed. For those interested, the "JohnWooMode" cheat uses this effect dynamically, so that time passes slower the more action is happening on screen.
WIREFRAMEMODE # - Display the environment and/or characters using wireframe graphics.
DOPPLERSHIFT # - Enable/disable the Doppler shifting on the Alien player's sounds.
SKY_RED # - Change the red component in a sky.
SKY_GREEN # - Change the green component in a sky.
SKY_BLUE # - Change the blue component in a sky.
LEANSCALE # - Change the amount the camera tilts when side-stepping.
CROUCHMODE 1 - Change the Aliens to crouch/crawl.
CROUCHMODE 0 - Changes back to the default setting.

GOD - Makes the player immortal: player will still take damage, but will not die when they reach zero health.
GIMME_CHARGE Give's Predator Full Charge.
GIVEALLWEAPONS - Self-explanatory.
LISTCMD - In game help screen for cheat codes.
SHOWFPS - Displays the current frame-rate per second on-screen.
SHOWPOLYCOUNT - Displays the number of rendered polygons per frame
LIGHT - Creates a light source near the player. Repeated use makes a brighter and brighter light.
ALIENBOT - Creates an Alien in front of the player.
MARINEBOT # - Creates a Marine (or civilian) of type #
PREDOBOT # - Creates a Predator of type #
PREDALIENBOT - Creates a Predator-Alien
PRAETORIANBOT - Creates a Praetorian Alien
XENOBORG - Creates a Xenoborg

Note: creating bots may cause crashes and unexpected game behavior. For a bot to be created its model must exist in the current level; however, the models may be forced to be loaded through a command line option. Add "-l" followed by a list of letters corresponding to the characters you want to load.