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Start 14-day Free Trial Already a member? Sign inHalf-Life: Opposing Force
Opposing Force returns to the same setting as Half-Life, but instead portrays the events from the perspective of a U.S. Marine, one of the enemy characters in the original game. The player character, Adrian Shephard, is sent in to neutralize the Black Mesa Research Facility after a scientific mishap causes it to be invaded by aliens, but quickly finds that the Marines are outnumbered and slowly being beaten back by a second alien race and black operations units.
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IGDB SCORE
395 votes
Details
FORMAT
Standalone expansion
RELEASE DATE
Nov. 10, 1999
THEMES
Action
Science fiction
Thriller
Warfare
PLATFORMS
Linux
PC (Microsoft Windows)
Mac
COMPANIES
Sierra Entertainment, Valve, Gearbox Software