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| Release Date | November 16, 2004 |
| Publisher | Sierra Entertainment, Valve, NVIDIA Lightspeed Studios |
| Total Rating | 91% |
| Content Rated | M (Mature) |
| Game Modes | Single player |
| Player Perspectives | First person |
| Genres | Shooter |
| Themes | Action, Science fiction, Horror |
| Platforms | Linux, PC (Microsoft Windows), PlayStation 3, Xbox, Xbox 360, Mac, Android |
