Valve — Game Publisher

Name Release Date Current Players All-Time Peak Rating
Counter-Strike 2 Counter-Strike 2 21 Aug, 2012 1 279 219 1 818 773 86.65
Dota 2 Dota 2 9 Jul, 2013 581 385 886 486 81.21
Left 4 Dead 2 Left 4 Dead 2 16 Nov, 2009 69 939 69 939 96.74
Team Fortress 2 Team Fortress 2 10 Oct, 2007 60 249 208 430 87.86
Garry's Mod Garry's Mod 29 Nov, 2006 23 616 38 330 96.04
Counter-Strike Counter-Strike 1 Nov, 2000 12 843 18 796 96.29
Counter-Strike: Source Counter-Strike: Source 1 Nov, 2004 9 491 14 784 95.07
Portal 2 Portal 2 18 Apr, 2011 2 636 7 225 97.70
Left 4 Dead Left 4 Dead 17 Nov, 2008 2 210 2 213 94.62
Dota Underlords Dota Underlords 20 Jun, 2019 1 347 2 279 81.20
Source Filmmaker Source Filmmaker 10 Jul, 2012 1 237 1 724 91.19
Half-Life Half-Life 8 Nov, 1998 932 24 104 95.19
Half-Life 2 Half-Life 2 16 Nov, 2004 877 3 630 96.38
Portal Portal 10 Oct, 2007 655 2 092 97.17
Day of Defeat: Source Day of Defeat: Source 12 Jul, 2010 473 677 89.61
Counter-Strike: Condition Zero Counter-Strike: Condition Zero 1 Mar, 2004 407 587 89.36
Half-Life: Alyx Half-Life: Alyx 23 Mar, 2020 393 1 083 96.77
Half-Life 2: Episode Two Half-Life 2: Episode Two 10 Oct, 2007 165 530 95.16
Half-Life 2: Deathmatch Half-Life 2: Deathmatch 1 Nov, 2004 163 274 88.45
Half-Life 2: Episode One Half-Life 2: Episode One 1 Jun, 2006 119 517 93.75
Half-Life: Opposing Force Half-Life: Opposing Force 1 Nov, 1999 105 957 93.06
Day of Defeat Day of Defeat 1 May, 2003 91 166 87.48
Team Fortress Classic Team Fortress Classic 1 Apr, 1999 82 113 84.56
Counter-Strike: Condition Zero Counter-Strike: Condition Zero 1 Mar, 2004 57 128 87.55
Artifact Artifact 28 Nov, 2018 45 3 963 46.98
Half-Life: Blue Shift Half-Life: Blue Shift 1 Jun, 2001 44 287 90.03
Half-Life: Source Half-Life: Source 1 Jun, 2004 35 168 68.33
Alien Swarm Alien Swarm 19 Jul, 2010 20 1 382 92.61
Half-Life 2: Lost Coast Half-Life 2: Lost Coast 27 Oct, 2005 19 69 87.03
The Lab The Lab 5 Apr, 2016 13 53 91.75
Artifact Foundry Artifact Foundry 10 30 56.58
Half-Life Deathmatch: Source Half-Life Deathmatch: Source 1 May, 2006 9 43 72.05
Deathmatch Classic Deathmatch Classic 1 Jun, 2001 5 27 79.96
Ricochet Ricochet 1 Nov, 2000 5 24 80.20
Aperture Hand Lab Aperture Hand Lab 25 Jun, 2019 1 9 82.91
Team Fortress 2: Meet the Spy (Russian) Team Fortress 2: Meet the Spy (Russian) 30 Jun, 2009 0 0
Day of Defeat: Colmar Trailer Day of Defeat: Colmar Trailer 27 Jun, 2006 0 0
Team Fortress 2: Meet the Demoman (Russian) Team Fortress 2: Meet the Demoman (Russian) 18 Sep, 2008 0 0
Welcome To Next Fest, June 2021 Welcome To Next Fest, June 2021 0 0
Team Fortress 2: Meet the Soldier (German) Team Fortress 2: Meet the Soldier (German) 7 Jul, 2008 0 0
Portal: First Slice Portal: First Slice 8 May, 2008 0 0 87.02
The Dota 2 Official Soundtrack The Dota 2 Official Soundtrack 10 Feb, 2020 0 0
Team Fortress 2: Meet the Scout (Spanish) Team Fortress 2: Meet the Scout (Spanish) 19 Apr, 2008 0 0
Half-Life 2: Episode One Soundtrack Half-Life 2: Episode One Soundtrack 24 Sep, 2014 0 0 85.97
Team Fortress 2: Meet the Heavy (French) Team Fortress 2: Meet the Heavy (French) 4 Jan, 2008 0 0
Half-Life 2: Demo Half-Life 2: Demo 1 Dec, 2004 0 0 83.31
Steam Game Festival Steam Game Festival 7 Oct, 2020 0 0
Team Fortress 2: Meet the Heavy (Russian) Team Fortress 2: Meet the Heavy (Russian) 1 Oct, 2007 0 0
Portal Portal 10 Oct, 2007 0 0
Team Fortress 2 Trailer Team Fortress 2 Trailer 19 Jul, 2006 0 0 0.00
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