Cheats for Aliens vs. Predator (1999)

The Cheats will only work when debug mode is enabled (to do this you must) right-click on your AvP icon, hit 'Properties' and add "-debug" to the end of the 'Target'
(Example below)

"C:\Program Files\Games\Fox\Aliens versus Predator\AvP.exe" -debug

Gameplay
The following cheat codes are turned on after typing "LISTCMD" (without the quotes) in the game's console; hit your tilde (~) key to activate the console.
GOD - makes the player immortal; player will still take damage, but will not die when they reach zero health.
GIVEALLWEAPONS - gives the player all the weapons available in the game.
GIMME_CHARGE - Restores the Predator's field charge to maximum.
SHOWFPS - displays the current frame-rate per second on-screen.
MOTIONTRACKERSPEED - allows the player to speed up/slow down the pulse rate of the Marine's motion tracker (range from 0-16, default is 1).
LIGHT - creates a light source near the player. Repeated use makes a brighter and brighter light.

Bots
ALIENBOT - creates an Alien in front of the player.

MARINEBOT # - creates a Colonial Marine (or civilian) of type # in front of player.

1 - A Colonial Marine using a Pulse Rifle.
2 - A Colonial Marine using a Flamethrower.
3 - A Colonial Marine using a Smartgun.
4 - A Colonial Marine using a SADAR.
5 - A Colonial Marine using a Grenade Launcher.
6 - A Colonial Marine using a Mini-Gun.
7 - A Civilian using a Shotgun
8 - A Civilian using a Pistol.
9 - A Civilian using a Flamethrower
10 - An unarmed Civilian.
11 - A Civilian using a molotov cocktail.
12 - A Colonial Marine using a Pistol.
13 - An Android using a Shotgun.
14 - An Android using a Shotgun (slacker).
15 - An Android using a Pistol.

PREDOBOT # - creates a Predator of type # in front of player.
0 - The default Predator; he uses his Wrist Blades.
1 - A Predator using a Spear.
2- A Predator using an energy weapon.

PREDALIENBOT - creates a Predator-Alien in front of player.
PRAETORIANBOT - creates a Praetorian Alien in front of player.
XENOBORG - creates a Xenoborg in front of player.

There are more cheats, what's listed here are the most important ones!

- Hope this help you.