(Half-Life 2) Codes
Enter the code while playing Half Life 2. No specific requirements other then the game. Can be entered at any time on any level.
| Cheat | Effect |
|---|---|
| Up Up Down Down Left Right Left Right O Button X Button | Restore Health By 25 Points |
| Triangle, O, X, Square, RI,Triangle, Square, X, O, RI | Restores ammo for current weapon |