| Name | Reviews | Release Date | Genres |
Deadlock | None | Unknown | Action |
Counter-Strike 2 | 9164009 | Aug. 21, 2012 | Action Free To Play |
Dota 2 | 2592643 | July 9, 2013 | Action Free To Play Strategy |
Team Fortress 2 | 1189859 | Oct. 10, 2007 | Action Free To Play |
Left 4 Dead 2 | 763905 | Nov. 16, 2009 | Action |
Portal 2 - Pre-order | 371153 | April 18, 2011 | Action Adventure |
Portal 2 | 371153 | April 18, 2011 | Action Adventure |
Half-Life 2: Demo | 187334 | Dec. 1, 2004 | Action |
Half-Life 2 | 187224 | Nov. 16, 2004 | Action |
Counter-Strike | 163234 | Nov. 1, 2000 | Action |
Portal | 160018 | Oct. 10, 2007 | Action |
Mac Portal | 160018 | Oct. 10, 2007 | Action |
Portal: First Slice | 159998 | May 8, 2008 | Action |
Counter-Strike: Source | 129694 | Nov. 1, 2004 | Action |
Half-Life | 108478 | Nov. 19, 1998 | Action |
Dota Underlords | 90946 | June 20, 2019 | Casual Free To Play Strategy |
Half-Life: Alyx | 87643 | March 23, 2020 | Action Adventure |
SteamVR | 75358 | Unknown | |
Left 4 Dead | 54613 | Nov. 17, 2008 | Action |
Counter-Strike Nexon | 42793 | Oct. 7, 2014 | Action Casual Free To Play Indie Massively Multiplayer |
Source Filmmaker | 41906 | July 10, 2012 | Animation & Modeling Video Production |
Half-Life 2: Episode Two | 34053 | Oct. 10, 2007 | Action |
Half-Life 2: Episode One | 26082 | June 1, 2006 | Action |
Artifact Classic | 24762 | Nov. 28, 2018 | Strategy |
Aperture Desk Job | 24327 | March 1, 2022 | Action Adventure Casual Free To Play |
Alien Swarm | 21399 | July 19, 2010 | Action Free To Play |
Counter-Strike: Condition Zero Deleted Scenes | 20326 | March 1, 2004 | Action |
Counter-Strike: Condition Zero | 20326 | March 1, 2004 | Action |
Day of Defeat: Source | 15531 | July 12, 2010 | Action |
Half-Life: Source | 14230 | June 1, 2004 | Action |
Half-Life 2: Lost Coast | 10610 | Oct. 27, 2005 | Action |
Half-Life 2: Deathmatch | 9796 | Nov. 1, 2004 | Action |
Half-Life 2: Update | 8377 | March 27, 2015 | Action Adventure Free To Play |
Team Fortress Classic | 6704 | April 1, 1999 | Action |
The Lab | 6500 | April 5, 2016 | Free To Play |
Ricochet | 4398 | Nov. 1, 2000 | Action |
Day of Defeat | 4331 | May 1, 2003 | Action |
Half-Life Deathmatch: Source | 4088 | May 1, 2006 | Action |
Deathmatch Classic | 2352 | June 1, 2001 | Action |
Portal 2 Soundtrack | 1561 | Sept. 24, 2014 | |
Half-Life 2 Soundtrack | 1044 | Sept. 24, 2014 | |
Artifact Foundry | 946 | Unknown | Strategy |
Half-Life Soundtrack | 807 | Sept. 24, 2014 | |
Portal Soundtrack | 734 | Sept. 24, 2014 | |
Fight Songs: The Music Of Team Fortress 2 | 609 | May 4, 2017 | |
Half-Life 2: Episode Two Soundtrack | 266 | Sept. 24, 2014 | |
Half-Life 2: Episode One Soundtrack | 232 | Sept. 24, 2014 | |
Half-Life: Alyx Soundtrack | 185 | May 5, 2020 | Action |
Steam 360 Video Player | 142 | May 10, 2017 | |
Free to Play Soundtrack | 133 | Sept. 24, 2014 | |
Counter-Strike Nexon - Versus Zombies: Weapon Drop | 83 | May 13, 2025 | Action Casual Free To Play Massively Multiplayer |
Counter-Strike Nexon - 11th Anniversary Fever Pack | 45 | Sept. 16, 2025 | Action Casual Free To Play Massively Multiplayer |
RPG Maker MV - Team Fortress 2 Character Pack | 43 | May 26, 2016 | Design & Illustration Web Publishing |
Half-Life: Alyx - Final Hours "Triage at Dawn" Soundtrack Theme | 39 | Feb. 23, 2021 | |
Half-Life Legacy | 0 | Dec. 12, 2025 | Action Adventure Free To Play Simulation Strategy |
Are You Ready for Valve Index? | 0 | April 30, 2019 | |