Valve — Game Developer

Name Release Date Current Players All-Time Peak Rating
Counter-Strike 2 Counter-Strike 2 21 Aug, 2012 1 078 529 1 818 773 86.63
Dota 2 Dota 2 9 Jul, 2013 559 033 886 486 81.19
Team Fortress 2 Team Fortress 2 10 Oct, 2007 50 234 208 430 88.00
Half-Life 2 Half-Life 2 16 Nov, 2004 34 663 54 831 96.37
Left 4 Dead 2 Left 4 Dead 2 16 Nov, 2009 31 775 69 939 96.74
Counter-Strike Counter-Strike 1 Nov, 2000 14 049 18 796 96.30
Counter-Strike: Source Counter-Strike: Source 1 Nov, 2004 11 187 14 784 95.07
Half-Life Half-Life 8 Nov, 1998 4 454 24 104 95.19
Portal 2 Portal 2 18 Apr, 2011 1 988 7 225 97.70
Dota Underlords Dota Underlords 20 Jun, 2019 1 282 2 279 81.21
Source Filmmaker Source Filmmaker 10 Jul, 2012 1 199 1 724 91.20
Half-Life: Alyx Half-Life: Alyx 23 Mar, 2020 934 1 398 96.77
Portal Portal 10 Oct, 2007 763 2 092 97.17
Half-Life 2: Deathmatch Half-Life 2: Deathmatch 1 Nov, 2004 698 1 230 88.40
Left 4 Dead Left 4 Dead 17 Nov, 2008 649 2 213 94.62
Day of Defeat: Source Day of Defeat: Source 12 Jul, 2010 490 677 89.62
Counter-Strike: Condition Zero Counter-Strike: Condition Zero 1 Mar, 2004 434 587 89.35
Half-Life Deathmatch: Source Half-Life Deathmatch: Source 1 May, 2006 161 161 72.07
Half-Life 2: Episode Two Half-Life 2: Episode Two 10 Oct, 2007 155 530 95.16
Half-Life 2: Episode One Half-Life 2: Episode One 1 Jun, 2006 109 517 93.76
Day of Defeat Day of Defeat 1 May, 2003 87 166 87.50
Team Fortress Classic Team Fortress Classic 1 Apr, 1999 71 113 84.61
Half-Life: Source Half-Life: Source 1 Jun, 2004 64 168 68.33
Counter-Strike: Condition Zero Counter-Strike: Condition Zero 1 Mar, 2004 43 128 87.55
Artifact Artifact 28 Nov, 2018 39 3 963 46.99
The Lab The Lab 5 Apr, 2016 27 53 91.76
Alien Swarm Alien Swarm 19 Jul, 2010 12 1 382 92.61
Half-Life 2: Lost Coast Half-Life 2: Lost Coast 27 Oct, 2005 10 69 87.02
Ricochet Ricochet 1 Nov, 2000 6 24 80.24
Artifact Foundry Artifact Foundry 4 30 56.65
Deathmatch Classic Deathmatch Classic 1 Jun, 2001 2 27 80.01
Steam 360 Video Player Steam 360 Video Player 10 May, 2017 2 5 53.41
Free to Play Soundtrack Free to Play Soundtrack 24 Sep, 2014 0 0 80.64
Team Fortress 2: Meet the Soldier (German) Team Fortress 2: Meet the Soldier (German) 7 Jul, 2008 0 0
Team Fortress 2: Meet the Scout (Spanish) Team Fortress 2: Meet the Scout (Spanish) 19 Apr, 2008 0 0
Team Fortress 2: Meet the Heavy (French) Team Fortress 2: Meet the Heavy (French) 4 Jan, 2008 0 0
Dota 2 Player Profiles Dota 2 Player Profiles 12 Nov, 2015 0 0 87.02
Team Fortress 2: Meet the Engineer Team Fortress 2: Meet the Engineer 11 Sep, 2007 0 0
Deadlock Deadlock To be announced 0 0
Meet the Pyro - TF2 Meet the Pyro - TF2 27 Jun, 2012 0 0
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
Team Fortress 2: Meet the Sniper (French) Team Fortress 2: Meet the Sniper (French) 2 Jul, 2008 0 0
Steam Game Festival Steam Game Festival 7 Oct, 2020 0 0
Team Fortress 2: Meet the Scout (French) Team Fortress 2: Meet the Scout (French) 19 Apr, 2008 0 0
File uploading