Unlockables - Half-Life 2
Unlock ALL Chapters:
Left, Left, Left, Left, Black, Right, Right, Right, Right, White
Restore 25 Points of Health:
During gameplay enter Up, Up, Down, Down, Left, Right, Left, Right, B, A.
Restore Ammo for current Weapon:
During gameplay enter Y, B, A, X, White, Y, X, A, B, White.
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