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You can often find Half-Life: Opposing Force on Steam for a very low price, or as part of the Half-Life Complete Bundle.
If you get stuck, comprehensive walkthroughs are available from veteran contributors on GameFAQs . Half-Life: Opposing Force half-life-opposing-force-free-download-pcgamefreetop-net
You play as , a member of the Hazardous Environment Combat Unit (HECU). Your mission is simple: enter Black Mesa, eliminate the alien threat, and silence any witnesses—including Gordon Freeman. However, your transport is shot down, leaving you stranded behind enemy lines. Now, you must cooperate with fellow soldiers and even your former "targets" to survive the encroaching alien invasion from Race X. New Features & Gameplay You can often find Half-Life: Opposing Force on
