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Half-Life: Opposing Force

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.
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Developer: Gearbox Software Publisher: Valve
Genre: Action
Languages: English, French, German, Korean
Tags: FPS (917), Action (351), Classic (282), Sci-fi (276), Singleplayer (255), Shooter (244), First-Person (215), Aliens (204), 1990's (159), Adventure (137), Atmospheric (125), Military (124), Story Rich (97), Silent Protagonist (91), Great Soundtrack (74), Gore (57), Puzzle (57), Moddable (44), Co-op (43), Retro (38)
Category: Single-player, Multi-player, Valve Anti-Cheat enabled, Remote Play Together, Family Sharing
Release date: Nov 1, 1999
Price: $4.99
Old userscore: 95% Owners: 1,000,000 .. 2,000,000
Followers: 11,229
Peak concurrent players yesterday: 111
YouTube stats: 18 new videos uploaded yesterday.

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Peak daily concurrent players:

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Hourly concurrent players:

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Followers over time

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Playtime distribution:

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Playtime (2 weeks):

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