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Half-Life (Series)
The Half-Life series of video games share a science fiction alternate history. All of the games are first-person shooters on the GoldSource or Source engines, and are linear, narrative, single-player titles. Valve Corporation is the developer, and partly the publisher and distributor, for the signature games of the series. Each of these games features the player as the main protagonist, Gordon Freeman, a theoretical physicist initially employed by the Black Mesa Research Facility.
