Operation: Black Mesa

Operation: Black Mesa

Experience the Half-Life™ expansion packs like never before. Operation: Black Mesa features reimaginings of both Half-Life™ Opposing Force and Half-Life™ Blue Shift through two unique campaigns. How will you survive the Black Mesa Incident? It's time to choose.
PC

Operation: Black Mesa on Steam Games. Operation: Black Mesa review, release date, video, gameplay, guide, game trailer and more.

Game Details

Name
Operation: Black Mesa
Genre
First-Person Shooter
Theme
Sci-Fi
Platform
PC
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