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| | You are here: Home : PlayStation 2 : Half Life | | | | | | | | | | | | | | | | | | Unlock Invisibility | Updated 14 Jan | Go to the "Cheat Code Screen" in the "Options menu" and enter the following cheat:
Left, Square, Right, Circle, Left, Square, Right, Circle. Press Start to confirm code.
Note: To confirm correct code entry, the code will appear in the box to the right. | Invincibility | Updated 14 Jan | Go to the "Cheat Code Screen" in the "Options menu" and enter the following cheat:
Left, Square, Up, Triangle, Right, Circle, Down, X. Press Start to confirm code.
Note: To confirm correct code entry, the code will appear in the box to the right. | Unlock Alien Mode | Updated 14 Jan | Go to the "Cheat Code Screen" in the "Options menu" and enter the following cheat:
Up, Triangle, Up, Triangle, Up, Triangle, Up, Triangle. Press Start to confirm code.
Note: To confirm correct code entry, the code will appear in the box to the right. | Unlock Xen Gravity | Updated 14 Jan | Go to the "Cheat Code Screen" in the "Options menu" and enter the following cheat:
Up, Triangle, Down, X, Up, Triangle, Down, X. Press Start to confirm code.
Note: To confirm correct code entry, the code will appear in the box to the right. | Unlock Slow Motion Mode | Updated 14 Jan | Go to the "Cheat Code Screen" in the "Options menu" and enter the following cheat:
Right, Square, Up, Triangle, Right, Square, Up, Triangle. Press Start to confirm code.
Note: To confirm correct code entry, the code will appear in the box to the right. | Unlimited Ammo | Updated 14 Jan | Go to the "Cheat Code Screen" in the "Options menu" and enter the following cheat:
Down, X, Left, Circle, Down, X, Left, Circle. Press Start to confirm code.
Note: To confirm correct code entry, the code will appear in the box to the right. | Game Shark Codes | Updated 14 Jan | Enable Cheats
EC8783A8 1431D934
Unlimited ammo
4CA57372 1456F025
Alien mode
4CA573BA 1456F025
Xen gravity
4CA57342 1456F025 | | | | | | | | | | | | | | | | | | | | | 44 platforms | | | 9,718 games | | | 43,845 cheats | | | Last update 31 Oct | | | | | | | | | | | | | | | | | | |
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