Valve Corporation
Games developed
Counter-Strike 22023
Aperture Desk Job2022
Half-Life: Alyx2020
Dota Underlords2019
Artifact2018
The Lab2016
Dota 22013- Counter-Strike: Global OffensiveCounter-Strike: Global Offensive2012
Portal 22011
Alien Swarm2010
Left 4 Dead 22009
Left 4 Dead2008- Portal: Still AlivePortal: Still Alive2008
- Counter-Strike OnlineCounter-Strike Online2008
Team Fortress 22007
Portal2007
Half-Life 2: Episode Two2007- Half-Life 2: SurvivorHalf-Life 2: Survivor2006
Half-Life 2: Episode One2006- Half-Life Deathmatch: SourceHalf-Life Deathmatch: Source2006
Half-Life 2: Lost Coast2005- Counter-Strike NeoCounter-Strike Neo2005
Day of Defeat: Source2005
Half-Life 2: Deathmatch2004
Half-Life 22004
Half-Life: Source2004
Counter-Strike: Source2004
Counter-Strike: Condition Zero2004- Counter-Strike: Condition Zero Deleted ScenesCounter-Strike: Condition Zero Deleted Scenes2004 · Expansion
- Counter-Strike Xbox EditionCounter-Strike Xbox Edition2003
Day of Defeat2003- Half-Life: DecayHalf-Life: Decay2001
Counter-Strike1999
Team Fortress Classic1999
Half-Life1998- Team FortressTeam Fortress1996
- ProsperoProspero
- Artifact FoundryArtifact Foundry
Games published
- Counter-Strike 22023
- Aperture Desk Job2022
- Half-Life: Alyx2020
- Aperture Hand LabAperture Hand Lab2019
- Dota Underlords2019
- Artifact2018
The Escapists 22017- The Lab2016
- Dota 22013
Surgeon Simulator2013- Counter-Strike Online 2Counter-Strike Online 22013
- Counter-Strike: Global OffensiveCounter-Strike: Global Offensive2012
E.Y.E.: Divine Cybermancy2011- Cargo! The Quest for GravityCargo! The Quest for Gravity2011
- Portal 22011
- Alien Swarm2010
- Left 4 Dead 22009
- Blueberry GardenBlueberry Garden2009
Zeno Clash2009- The GraveyardThe Graveyard2009
- Left 4 Dead2008
- Counter-Strike OnlineCounter-Strike Online2008
Street Fighter IV2008- 9th Company: Roots of Terror9th Company: Roots of Terror2008
Audiosurf2008- Team Fortress 22007
- Portal2007
- Half-Life 2: Episode Two2007
Peggle2007
Garry's Mod2006- Half-Life 2: Episode One2006
- Half-Life Deathmatch: SourceHalf-Life Deathmatch: Source2006
- Half-Life 2: Lost Coast2005
- Day of Defeat: Source2005
- Half-Life 2: Deathmatch2004
- Half-Life 22004
- Half-Life: Source2004
FlatOut2004- Counter-Strike: Source2004
- Codename: GordonCodename: Gordon2004
- Counter-Strike: Condition Zero2004
- Counter-Strike: Condition Zero Deleted ScenesCounter-Strike: Condition Zero Deleted Scenes2004 · Expansion
- Day of Defeat2003
Return to Castle Wolfenstein2001- Counter-Strike1999
- Half-Life1998
Wolfenstein 3D1992- The CrossingThe Crossing
- Artifact FoundryArtifact Foundry