RECOMMENDED STORE
STORE
NAME
PLATFORM/DRM
REGION
EDITION
PRICE
View More
| Release Date | June 12, 2001 |
| Publisher | Sierra Studios, Valve, Gearbox Software |
| Content Rated | M (Mature) |
| Game Modes | Single player |
| Player Perspectives | First person |
| Genres | Shooter, Platform, Puzzle |
| Themes | Action, Science fiction, Warfare |
| Platforms | Linux, PC (Microsoft Windows), Mac |
