Top games by current player count
Current Players Peak Today   Game
 
792,537 954,886   Dota 2
471,500 639,437   Counter-Strike: Global Offensive
60,978 76,876   Team Fortress 2
55,436 74,398   DARK SOULS III
48,458 54,414   Football Manager 2016
42,546 54,477   ARK: Survival Evolved
39,718 47,599   Grand Theft Auto V
38,192 54,946   Sid Meier's Civilization V
36,979 47,648   Warframe
36,537 56,638   Garry's Mod

Steam Hardware & Software Survey
Steam Stats