Valve — Game Developer

Name Release Date Current Players All-Time Peak Rating
Counter-Strike 2 Counter-Strike 2 21 Aug, 2012 1 150 349 1 818 773 86.71
Dota 2 Dota 2 9 Jul, 2013 653 882 886 486 81.24
Team Fortress 2 Team Fortress 2 10 Oct, 2007 60 536 208 430 87.56
Left 4 Dead 2 Left 4 Dead 2 16 Nov, 2009 26 688 56 655 96.74
Counter-Strike Counter-Strike 1 Nov, 2000 15 949 18 796 96.30
Counter-Strike: Source Counter-Strike: Source 1 Nov, 2004 8 786 14 784 95.07
Portal 2 Portal 2 18 Apr, 2011 2 533 7 225 97.70
Dota Underlords Dota Underlords 20 Jun, 2019 1 494 2 279 81.19
Source Filmmaker Source Filmmaker 10 Jul, 2012 1 380 1 724 91.21
Half-Life 2 Half-Life 2 16 Nov, 2004 1 179 3 630 96.38
Half-Life Half-Life 8 Nov, 1998 1 088 24 104 95.18
Portal Portal 10 Oct, 2007 596 1 811 97.16
Left 4 Dead Left 4 Dead 17 Nov, 2008 581 1 651 94.62
Half-Life: Alyx Half-Life: Alyx 23 Mar, 2020 576 1 083 96.76
Counter-Strike: Condition Zero Counter-Strike: Condition Zero 1 Mar, 2004 471 587 89.37
Day of Defeat: Source Day of Defeat: Source 12 Jul, 2010 398 677 89.59
Half-Life 2: Deathmatch Half-Life 2: Deathmatch 1 Nov, 2004 241 274 88.48
Half-Life 2: Episode Two Half-Life 2: Episode Two 10 Oct, 2007 224 530 95.15
Half-Life 2: Episode One Half-Life 2: Episode One 1 Jun, 2006 147 517 93.73
Day of Defeat Day of Defeat 1 May, 2003 119 166 87.42
Team Fortress Classic Team Fortress Classic 1 Apr, 1999 79 113 84.52
Counter-Strike: Condition Zero Counter-Strike: Condition Zero 1 Mar, 2004 38 128 87.55
The Lab The Lab 5 Apr, 2016 37 53 91.73
Half-Life: Source Half-Life: Source 1 Jun, 2004 34 168 68.35
Artifact Artifact 28 Nov, 2018 25 3 963 46.96
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 87.05
Half-Life Deathmatch: Source Half-Life Deathmatch: Source 1 May, 2006 10 43 72.03
Ricochet Ricochet 1 Nov, 2000 7 24 80.06
Artifact Foundry Artifact Foundry 5 30 56.54
Steam 360 Video Player Steam 360 Video Player 10 May, 2017 3 5 53.67
Deathmatch Classic Deathmatch Classic 1 Jun, 2001 2 27 79.97
Portal Trailer Portal Trailer 18 Jul, 2006 0 0
Steam Dev Days Steam Dev Days 3 Nov, 2016 0 0
Portal Portal 10 Oct, 2007 0 0
The Dota 2 Remixes EP The Dota 2 Remixes EP 10 Feb, 2020 0 0 86.59
Left 4 Dead TV Spot 1 - 720p Left 4 Dead TV Spot 1 - 720p 30 Oct, 2008 0 0
Half-Life 2 Soundtrack Half-Life 2 Soundtrack 24 Sep, 2014 0 0 90.21
Team Fortress 2: Meet the Sniper (Spanish) Team Fortress 2: Meet the Sniper (Spanish) 15 Jul, 2008 0 0
Steam Game Festival Steam Game Festival 7 Oct, 2020 0 0
Team Fortress 2: Meet the Sniper (French) Team Fortress 2: Meet the Sniper (French) 2 Jul, 2008 0 0
Team Fortress 2: Meet the Scout (French) Team Fortress 2: Meet the Scout (French) 19 Apr, 2008 0 0
Team Fortress 2: Meet the Demoman Team Fortress 2: Meet the Demoman 9 Oct, 2007 0 0
Free to Play Free to Play 19 Mar, 2014 0 0 92.33
Team Fortress 2 Trailer 2 Team Fortress 2 Trailer 2 31 Aug, 2006 0 0
Welcome To Next Fest, June 2021 Welcome To Next Fest, June 2021 0 0
Counter-Strike: GO - Intro Trailer Counter-Strike: GO - Intro Trailer 24 Aug, 2011 0 0 0.00
Portal 2 Portal 2 18 Apr, 2011 0 0
Counter-Strike 2 Soundtrack Counter-Strike 2 Soundtrack 0 0 86.34
Team Fortress 2: Meet the Spy Team Fortress 2: Meet the Spy 18 May, 2009 0 0 0.00
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