Valve Corporation
Developer, Studio, Creator · 60 titles
Essentials
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Counter-Strike: Global OffensiveGame· 2012Developer
Portal 2Game· 2011Developer
Left 4 Dead 2Game· 2009Developer
Half-Life 2: Episode TwoGame· 2007Developer
PortalGame· 2007Developer
Half-Life 2Game· 2004Developer
Half-LifeGame· 1998Developer
Team Fortress 2Game· 2007Developer
Half-Life 2: Episode OneGame· 2006Developer
Dota 2Game· 2013Developer
Left 4 DeadGame· 2008Developer
Counter-StrikeGame· 2000Developer