Seraphim's Half-Life: Opposing Force Achievements

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Description

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.

Reviews: Overwhelmingly Positive
SteamDB Rating: 92.92%

Release Date: 1 Nov, 1999

Steam Deck Compatibility: Playable

Tags

FPS	916 votes
Action	350 votes
Classic	281 votes
Sci-fi	275 votes
Singleplayer	254 votes
Shooter	243 votes
First-Person	214 votes
Aliens	203 votes
1990's	158 votes
Adventure	136 votes
Atmospheric	124 votes
Military	123 votes
Story Rich	96 votes
Silent Protagonist	90 votes
Great Soundtrack	73 votes
Puzzle	56 votes
Gore	56 votes
Moddable	43 votes
Co-op	42 votes
Retro	37 votes