| Name | Reviews | Release Date | Genres |
Deadlock | None | Unknown | Action |
Counter-Strike 2 | 9271862 | Aug. 21, 2012 | Action Free To Play |
Dota 2 | 2646443 | July 9, 2013 | Action Free To Play Strategy |
Team Fortress 2 | 1209022 | Oct. 10, 2007 | Action Free To Play |
Garry's Mod | 1038417 | Nov. 29, 2006 | Casual Indie Simulation |
Left 4 Dead 2 | 772386 | Nov. 16, 2009 | Action |
Portal 2 - Pre-order | 374916 | April 18, 2011 | Action Adventure |
Portal 2 | 374906 | April 18, 2011 | Action Adventure |
Half-Life 2 | 191021 | Nov. 16, 2004 | Action |
Counter-Strike | 165026 | Nov. 1, 2000 | Action |
Portal | 163341 | Oct. 10, 2007 | Action |
Mac Portal | 163341 | Oct. 10, 2007 | Action |
Counter-Strike: Source | 131006 | Nov. 1, 2004 | Action |
Half-Life | 110601 | Nov. 19, 1998 | Action |
Dota Underlords | 90962 | June 20, 2019 | Casual Free To Play Strategy |
Half-Life: Alyx | 88806 | March 23, 2020 | Action Adventure |
Left 4 Dead | 55309 | Nov. 17, 2008 | Action |
Source Filmmaker | 42240 | July 10, 2012 | Animation & Modeling Video Production |
Half-Life 2: Episode Two | 34025 | Oct. 10, 2007 | Action |
Half-Life 2: Episode One | 26027 | June 1, 2006 | Action |
Artifact Classic | 24744 | Nov. 28, 2018 | Strategy |
Aperture Desk Job | 24473 | March 1, 2022 | Action Adventure Casual Free To Play |
Half-Life: Opposing Force | 23606 | Nov. 1, 1999 | Action |
Alien Swarm | 21450 | July 19, 2010 | Action Free To Play |
Counter-Strike: Condition Zero Deleted Scenes | 20542 | March 1, 2004 | Action |
Counter-Strike: Condition Zero | 20542 | March 1, 2004 | Action |
Half-Life: Blue Shift | 17394 | June 1, 2001 | Action |
Day of Defeat: Source | 15603 | July 12, 2010 | Action |
Half-Life: Source | 14328 | June 1, 2004 | Action |
Half-Life 2: Lost Coast | 10592 | Oct. 27, 2005 | Action |
Half-Life 2: Deathmatch | 9889 | Nov. 1, 2004 | Action |
Team Fortress Classic | 6764 | April 1, 1999 | Action |
The Lab | 6538 | April 5, 2016 | Free To Play |
Ricochet | 4454 | Nov. 1, 2000 | Action |
Day of Defeat | 4362 | May 1, 2003 | Action |
Half-Life Deathmatch: Source | 4141 | May 1, 2006 | Action |
Deathmatch Classic | 2363 | June 1, 2001 | Action |
Portal 2 Soundtrack | 1580 | Sept. 24, 2014 | |
Aperture Hand Lab | 1558 | June 25, 2019 | Adventure |
Half-Life 2 Soundtrack | 1058 | Sept. 24, 2014 | |
Artifact Foundry | 946 | Unknown | Strategy |
Half-Life Soundtrack | 814 | Sept. 24, 2014 | |
Portal Soundtrack | 743 | Sept. 24, 2014 | |
Fight Songs: The Music Of Team Fortress 2 | 624 | May 4, 2017 | |
Half-Life 2: Episode Two Soundtrack | 265 | Sept. 24, 2014 | |
Half-Life 2: Episode One Soundtrack | 232 | Sept. 24, 2014 | |
Half-Life: Alyx Soundtrack | 186 | May 5, 2020 | Action |
Free to Play Soundtrack | 134 | Sept. 24, 2014 | |