Viewed: | 3D First-person | Genre: | Strategy: Combat Shoot 'Em Up |
Media: | CD | Arcade origin: | No |
Developer: | Ritual Entertainment | Soft. Co.: | Valve |
Publishers: | Microsoft Game Studios
(GB) Microsoft (GB) |
Released: | 2 Jun 2006
(GB) 5 Dec 2003 (GB) |
Ratings: | PEGI 16+, ESRB Mature 17+ (M) | ||
Connectivity: | Xbox Live | ||
Accessories: | Memory Unit, Communicator Headset |