America - Front
America - Back
Japan - FrontWorld Collection
Japan - BackWorld Collection
PAL - Front
PAL - Back
PAL - FrontBest of Classics
PAL - BackBest of Classics
PAL - FrontClassics
PAL - BackClassics
Valve Software
Shooter
OSX, PC, Series
11/18/03 Microsoft Game Studios 03/25/04 Microsoft Game Studios 03/25/03 Microsoft Game Studios
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Pause the game and press Down(4), Up(2). Note: This code cannot be enabled in Xbox Live! sessions.