| App Type | game |
| Release Date | Nov 1, 1999 |
| Details Last Modified | April 23, 2025 (1 year ago) |
| Developer | Gearbox Software |
| Publisher | Valve |
| Genres | Action |
| Supported Systems |
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| Price | $4.99 |
| Required Age | 0+ |
| Recommendations | 24,640 |
| Packages | 1 |
| Support | https://help.steampowered.com |
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
Adjustable DifficultyCustom Volume Controls
Family Sharing
Multi-playerPlayable without Timed InputSave Anytime