Half-Life: Opposing Force
Half-Life: Opposing Force
About Half-Life: Opposing Force
Half-Life: Opposing Force is an action and platform game developed by Gearbox Software and published by Sierra Entertainment, released on 19 November 1999.
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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