Half-Life (PlayStation 2) Cheats
Instructions
Select Options on the Title Screen, then go to Cheat Codes. To unlock a cheat, choose the Enter Cheat option, then input one of the button combinations listed below. After that, you will need to go to the Activate Cheat option to to turn on the cheats you wish to use.
| Cheat | Code |
| Invincibility | Left, Square, Up, Triangle, Right, Circle, Down, X |
| Infinite Ammo | Down, X, Left, Circle, Down, X, Left, Circle |
| Invisibility | Left, Square, Right, Circle, Left, Square, Right, Circle |
| Slow Motion | Right, Square, Up, Triangle, Right, Square, Up, Triangle |
| Xen Gravity | Up, Triangle, Down, X, Up, Triangle, Down, X |
| Alien Mode | Up, Triangle, Up, Triangle, Up, Triangle, Up, Triangle |
The preceding cheat codes, which originally appeared in BradyGames Secret Codes 2006 Volume 1, have been compiled and transcribed to this site for the sake of posterity as well as for the convenience of our visitors. They have been tested thoroughly for accuracy. Feel free to contact us if you have problems getting these cheats to work or know something we do not.
More Resources
Looking for more cheats? Try the links below.
https://www.supercheats.com/playstation2/halflife.htm
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