Valve Corporation
Valve Game Developer: Valve Corporation, also known as Valve Software, is an American video game developer, publisher, and digital distribution company headquartered in Bellevue, Washington. It is the developer of the software distribution platform Steam and the Half-Life, Counter-Strike, Portal, Day of Defeat, Team Fortress, Left 4 Dead, Dota series - and more recently the hit game Half-Life: Alyx.
Valve was founded in 1996 by former Microsoft employees Gabe Newell and Mike Harrington.
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