Top games by current player count
Current Players Peak Today   Game
 
870,993 923,882   Dota 2
586,847 661,912   Counter-Strike: Global Offensive
62,228 62,961   Team Fortress 2
60,612 64,531   DARK SOULS III
44,988 56,808   Football Manager 2016
44,691 46,605   ARK: Survival Evolved
40,145 56,958   Rocket League
39,567 41,758   Grand Theft Auto V
37,123 40,062   Sid Meier's Civilization V
35,670 35,670   Garry's Mod

Steam Hardware & Software Survey
Steam Stats