Valve Corporation

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Valve Corporation
Valve logo.png
Type: private
Industry: Video game industry
Digital distribution
Product(s): Video games:
Counter-Strike series
Day of Defeat series
Dota 2
Half-Life series
Left 4 Dead series
Portal series
Team Fortress series
Source Filmmaker
Valve Anti-Cheat
Headquarters: Bellevue, Washington, U.S.
Founded: 1996-08-24
Founder(s): Gabe Newell
Mike Harrington
Owner(s): Gabe Newell
Number of employees: ~360 (2016)[1]

Valve Corporation is an american game and software developer known for their game distribution platform Steam and games like Artifact, Dota 2, the Half Life series, Team Fortress 2 and the Portal Series.


Release Game Description
2019 In the Valley of Gods Developed by Campo Santo
2018 Artifact Digital collectible card game
2016 The Lab VR game
2014 Left 4 Dead: Survivors
2014 Counter-Strike Nexon: Zombies Free-to-play zombie shooter
2013 Counter-Strike Online 2
2013 Dota 2 MOBA, sequel to the Warcraft III mod Defense of the Ancients
2012 Counter-Strike: Global Offensive
2011 Portal 2 Sequel to Portal
2010 Alien Swarm Coop top-down shooter
2009 Left 4 Dead 2 Sequel to Left 4 Dead
2008 Left 4 Dead Coop first person zombie shooter
2008 Counter-Strike Online
2007 The Orange Box A compilation including Half-Life 2, Half-Life 2: Episode One, Half-Life 2: Episode Two, Portal, and Team Fortress 2
2007 Team Fortress 2 Sequel to Team Fortress Classic
2007 Portal First person puzzle platformer
2007 Half-Life 2: Episode Two Second part of the sequel to Half-Life 2
2006 Half-Life 2: Survivor
2006 Garry's Mod Half-Life 2 modification
2006 Half-Life 2: Episode One First part of the sequel to Half-Life 2
2005 Half-Life 2: Lost Coast Level for Half-Life 2
2005 Day of Defeat: Source Remake of Day of Defeat in the Source game engine
2004 Half-Life 2: Deathmatch Half-Life multiplayer
2004 Half-Life 2 Sequel to Half-Life
2004 Half-Life: Source Remake of Half-Life in the Source game engine
2004 Counter-Strike: Source Remake of Counter-Strike in the Source game engine
2004 Counter-Strike: Condition Zero
2003 Counter-Strike Neo
2003 Day of Defeat Multiplayer shooter based on World War II
2001 Half-Life: Blue Shift Second Half-Life expansion
2001 Deathmatch Classic Half-Life modification
2000 Ricochet Multiplayer jumping game
2000 Counter-Strike Multiplayer shooter
1999 Half-Life: Opposing Force First Half-Life expansion
1999 Team Fortress Classic Multiplayer shooter
1998 Half-Life Science-fiction first person shooter

Information taken from Wikipedia.


Release Software Description
2017 Source 2 Game engine, successor of Source, still under development. Only used for Dota 2 and Artifact.
2014 VOGL Debugger for the OpenGL rendering API.
2013 SteamOS Debian-based Linux operating system for the Steam Machine.
2012 Source Filmmaker Video capture and editing application for the source engine.
2004 Source Game engine, successor of GoldSrc.
2002 Valve Anti-Cheat (VAC) Anti-cheat software.
2003 Steam Game distribution platform.
1998 GoldSrc Game engine

Information taken from Wikipedia.


Official Links[edit]

More Information[edit]


Valve, the Valve logo, Half-Life, the Half-Life logo, the Lambda logo, Steam, the Steam logo, Team Fortress, the Team Fortress logo, Opposing Force, Day of Defeat, the Day of Defeat logo, Counter-Strike, the Counter-Strike logo, Source, the Source logo, Counter-Strike: Condition Zero, Portal, the Portal logo, Dota, the Dota 2 logo, and Defense of the Ancients are trademarks and/or registered trademarks of Valve Corporation.


  1. "On an unrelated but interesting note, the letter also confirms that Valve's employee headcount is "approximately 360." This is the first updated measure of Valve's size that we've seen in years: Wikipedia lists it as having about 330 employees, but that's based on data from 2013."

    - PCGAMER - "Valve denies wrongdoing in skin gambling legal rumblings: 'no factual or legal support for these accusations'", 2016-10-18