Half-Life Cheats (PS2)

PS2 - Half-Life Cheats

Cheat Codes

Unlock Alien Mode
  Go to the Cheat Code screen in the Options menu and enter the following cheat to unlock Alien Mode: Up,
Triangle, Up, Triangle, Up, Triangle, Up, Triangle. Press Start to confirm code. If done correctly, the code
will appear in the box to the right.

Unlock Invincibility
  Go to the Cheat Code screen in the Options menu and enter the following cheat to unlock Invincibility: Left,
Square, Up, Triangle, Right, Ccircle, Down, X. Press Start to confirm code. If done correctly, the code will
appear in the box to the right.

Unlock Invisibility
  Go to the Cheat Code screen in the Options menu and enter the following cheat to unlock Invisibility: Left,
Square, Right, Circle, Left, Square, Right, Circle. Press Start to confirm code. If done correctly, the code
will appear in the box to the right.

Unlock Slow Motion Mode
  Go to the Cheat Code screen in the Options menu and enter the following cheat to unlock Slow Motion Mode:
Right, Square, Up, Triangle, Right, Square, Up, Triangle. Press Start to confirm code. If done correctly, the
code will appear in the box to the right.

Unlock Unlimited Ammo
  Go to the Cheat Code screen in the Options menu and enter the following cheat to unlock Unlimited
Ammunition: Down, X, Left, Circle, Down, X, Left, Circle. Press Start to confirm code. If done correctly, the
code will appear in the box to the right.

Unlock Xen Gravity
  Go to the Cheat Code screen in the Options menu and enter the following cheat to unlock Xen Gravity: Up,
Triangle, Down, X, Up, Triangle, Down, X. Press Start to confirm code. If done correctly, the code will appear
in the box to the right.