Valve Corporation logo
Valve Corporation is a private game development company founded in 1996 by former Microsoft members Gabe Newell and Mike Harrington. They are creators of Ricochet and other games on GoldSrc and [1]] engines.
List of games[]
- Half-Life (1998)
- Half-Life: Source (2004)
- Half-Life 2 (2004)
- Half-Life 2: Deathmatch (2004)
- 2: Episode One Half-Life 2: Episode One (2006)
- Half-Life 2: Episode Two (2007)
- Half-Life 2: Episode Three (TBD)
- Team Fortress Classic (1999)
- Team Fortress 2 (2007)
- Counter-Strike (2000)
- Counter-Strike: Condition Zero (2004)
- Counter-Strike: Source (2004)
- Ricochet (2000)
- Deathmatch Classic (2001)
- Day of Defeat (2003)
- Day of Defeat: Source (2005)
- Portal (2007)
- Portal 2 (2011)
- Left 4 Dead (2008)
- Left 4 Dead 2 (2009)
- Alien Swarm (2010)
- Dota 2 (TBA)