Game |
Developer |
Publisher |
Engine |
Release dates |
Alien Swarm |
Valve Corporation |
|
Source |
19 July 2010
|
Aperture Desk Job |
Valve Corporation |
|
Source 2 |
1 March 2022 1 March 2022
|
Artifact |
Valve Corporation |
|
Source 2 |
28 November 2018 28 November 2018 28 November 2018
|
Counter-Strike |
Valve Corporation, Barking Dog Studios |
Sierra Studios, Valve Corporation |
GoldSrc |
9 November 2000 25 January 2013 25 January 2013
|
Counter-Strike 2 |
Valve Corporation |
|
Source 2 |
27 September 2023 27 September 2023
|
Counter-Strike Online |
Valve Corporation, Nexon |
Valve Corporation, Nexon, TianCity, Beanfun, IAHGames, Megaxus, PlayFPS, GoPlay |
GoldSrc |
24 July 2008
|
Counter-Strike Online 2 |
Nexon, Valve Corporation |
Nexon, TianCity, Beanfun |
Source |
28 November 2013
|
Counter-Strike: Condition Zero |
Valve Corporation, Gearbox Software, Ritual Entertainment, Turtle Rock Studios |
Sierra Entertainment, Valve Corporation, Capcom |
GoldSrc |
23 March 2004 21 February 2013 21 February 2013
|
Counter-Strike: Global Offensive |
Valve Corporation, Hidden Path Entertainment |
|
Source |
21 August 2012 21 August 2012 22 September 2014
|
Counter-Strike: Source |
Valve Corporation, Turtle Rock Studios, Hidden Path Entertainment |
Valve Corporation, Buka Entertainment |
Source, Source |
7 October 2004 23 June 2010 5 February 2012
|
Day of Defeat |
Valve Corporation |
Activision, Valve Corporation |
GoldSrc |
1 May 2003 13 March 2013 13 March 2013
|
Day of Defeat: Source |
Valve Corporation |
|
Source, Source |
26 September 2005 13 July 2010 13 March 2013
|
Deadlock |
Valve Corporation |
|
Source 2 |
|
Deathmatch Classic |
Valve Corporation |
|
GoldSrc |
7 June 2001 30 March 2013 30 March 2013
|
Dota 2 |
Valve Corporation |
|
Source, Source 2 |
9 July 2013 18 July 2013 18 July 2013
|
Dota Underlords |
Valve Corporation |
|
Source 2 |
25 February 2020 25 February 2020 25 February 2020
|
Gunman Chronicles |
Rewolf Software, Valve Corporation |
Sierra On-Line |
GoldSrc |
21 November 2000
|
Half-Life |
Valve Corporation |
Sierra On-Line, Valve Corporation, Buka Entertainment, Brasoft |
GoldSrc |
19 November 1998 25 January 2013 25 January 2013
|
Half-Life 2 |
Valve Corporation |
Sierra Entertainment, Valve Corporation, 1C-SoftClub, Buka Entertainment |
Source, Source |
16 November 2004 26 May 2010 9 May 2013
|
Half-Life 2: Deathmatch |
Valve Corporation |
|
Source, Source |
30 November 2004 30 September 2010 16 March 2013
|
Half-Life 2: Episode One |
Valve Corporation |
Valve Corporation, Buka Entertainment |
Source, Source |
1 June 2006 26 May 2010 9 May 2013
|
Half-Life 2: Episode Two |
Valve Corporation |
Valve Corporation, Buka Entertainment |
Source, Source |
10 October 2007 26 May 2010 9 May 2013
|
Half-Life 2: Lost Coast |
Valve Corporation |
|
Source, Source |
27 October 2005 9 May 2013 9 May 2013
|
Half-Life Deathmatch: Source |
Valve Corporation |
|
Source |
1 May 2006 12 September 2013 12 September 2013
|
Half-Life: Alyx |
Valve Corporation |
|
Source 2 |
23 March 2020 15 May 2020
|
Half-Life: Decay |
Gearbox Software, Valve Corporation |
|
GoldSrc |
22 September 2008
|
Half-Life: Source |
Valve Corporation |
|
Source, Source |
16 November 2004 12 September 2013 12 September 2013
|
Left 4 Dead |
Valve South, Valve Corporation |
Valve Corporation, Akella |
Source |
17 November 2008 27 October 2010
|
Left 4 Dead 2 |
Valve Corporation |
Valve Corporation, Akella |
Source |
19 November 2009 5 October 2010 3 May 2013
|
Moondust |
Zach Tsiakalis-Brown, Valve Corporation |
Valve Corporation |
Unity |
21 June 2018
|
Peggle Extreme |
PopCap Games, Valve Corporation |
|
PopCap Games Framework |
11 September 2007
|
Portal |
Valve Corporation, Lightspeed Studios |
Valve Corporation, Buka Entertainment, Nvidia |
Source, Source |
9 October 2007 12 May 2010 2 May 2013
|
Portal 2 |
Valve Corporation |
Valve Corporation, Buka Entertainment |
Source |
19 April 2011 19 April 2011 17 June 2014
|
Ricochet |
Valve Corporation |
|
GoldSrc |
14 November 2000 30 March 2013 30 March 2013
|
Spacewar |
Valve Corporation |
|
|
1 January 2003
|
Team Fortress 2 |
Valve Corporation, Escalation Studios |
Valve Corporation, Buka Entertainment |
Source, Source |
9 October 2007 10 June 2010 6 November 2012
|
Team Fortress Classic |
Valve Corporation |
|
GoldSrc |
7 April 1999 29 March 2013 29 March 2013
|
The Lab |
Valve Corporation |
|
Unity, Source 2 |
5 April 2016
|