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Half-Life: Opposing Force

About Half-Life: Opposing Force

Studio

Gearbox Software

Release Date

November 1st 1999

Half-Life: Opposing Force
ActionShooterPuzzle

A first-person shooter expansion for Half-Life where you play as a U.S. Marine fighting aliens and black ops soldiers inside the Black Mesa Research Facility.

Developer

Gearbox Software

Release Date

November 1st 1999

Platform

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