Top games by current player count
Current Players Peak Today   Game
 
973,128 1,005,699   Dota 2
505,947 565,736   Counter-Strike: Global Offensive
77,322 98,913   Total War™: WARHAMMER®
63,725 65,181   Team Fortress 2
56,826 59,688   ARK: Survival Evolved
45,482 59,384   Football Manager 2016
44,420 51,131   Sid Meier's Civilization V
37,071 38,584   Garry's Mod
35,989 36,261   Grand Theft Auto V
34,433 41,909   Fallout 4

Steam Hardware & Software Survey
Steam Stats