Valve was founded as an L.L.C. based in Kirkland, Washington. After incorporation in 2003, it moved from its original location to Bellevue, Washington, the same city in which their original publisher, Sierra On-Line, Inc., was based.
After the success of Half-Life, the team worked on mods, spin-offs, and sequels, including Half-Life 2. All current Valve games are built on its Source engine, which owes much of its success to mods and sequels. The company has produced six games series: Half-Life, Team Fortress, Portal, Counter-Strike, Left 4 Dead, and Day of Defeat. Valve is noted for its support of its games' modding community: most prominently, Counter-Strike, Team Fortress, and Day of Defeat each began as a third-party mod that Valve purchased and developed into a full game. They also distribute community mods on Steam.
Valve Corporation
Category: Publishers and Developers
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Portal 2 is a first-person puzzle-platform video game developed by Valve Corporation. It is the sequel to the video game Portal, following a week-long alternate reality game based on new...
Left 4 Dead 2 is a cooperative first-person shooter game. It is the sequel to Valve Corporation's award-winning Left 4 Dead. The game launched on November 17, 2009, for Microsoft...
Left 4 Dead is a cooperative first-person shooter video game. It was developed by Turtle Rock Studios, which was purchased by Valve Corporation during development. The game uses Valve's proprietary...
Unreal Tournament 3 is the fourth game in the Unreal Tournament series and the eighth Unreal game, but it has been numbered in terms of the engine it runs on....
The Orange Box features five complete games compiled into one retail unit: Half-Life 2 and its two continuations, Episode One and Episode Two; Portal; and Team Fortress 2. All of...
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