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.
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.
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.
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.
Value the above written info |
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Different Gravity
Go to the cheat screen and press Up,
Triangle, Down, X, Up, Triangle, Down, X
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.
Go to the cheat screen and press Down,
X, Left, Circle, Down, X, Left, Circle
Score this cheat of Half-Life |
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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.
Choose a rating for this game cheat |
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Be Invincible
Go to the cheat screen and press Left,
Square, Up, Triangle, Right, Circle, Down, X
Click a point for this Half-Life cheat |
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Be Invisible
Go to the cheat screen and press Left,
Square, Right, Circle, Left, Square, Right, Circle
Send a score for the above written cheats |
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