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| Release Date | 2007年10月9日 |
| Publisher | Electronic Arts, Valve |
| Total Rating | 81% |
| Content Rated | M (Mature) |
| Game Modes | Multiplayer, Co-operative |
| Player Perspectives | First person |
| Genres | Shooter |
| Themes | Action, Comedy |
| Platforms | Linux, PC (Microsoft Windows), PlayStation 3, Xbox 360, Mac |
