Half-Life: Opposing Force

As a soldier sent in to eliminate Gordon Freeman, you are separated from your base unit and discover a new alien race amidst the chaos. Its quickly revealed that these highly advanced alien life forms descended upon Earth to pillage the planet from the Black Mesa facility when Gordon Freeman transported to the border world of Xen. In Half-Life: Opposing Force, Gearbox redefined what an action game expansion should be.

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As a soldier sent in to eliminate Gordon Freeman, you are separated from your base unit and discover a new alien race amidst the chaos. Its quickly revealed that these highly advanced alien life forms descended upon Earth to pillage the planet from the Black Mesa facility when Gordon Freeman transported to the border world of Xen. In Half-Life: Opposing Force, Gearbox redefined what an action game expansion should be.

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