Top games by current player count
Current Players Peak Today   Game
 
689,152 988,816   Dota 2
242,831 584,387   Counter-Strike: Global Offensive
39,736 70,734   Team Fortress 2
39,419 98,969   Total War™: WARHAMMER®
30,469 69,908   ARK: Survival Evolved
28,777 61,596   Football Manager 2016
27,341 64,351   Sid Meier's Civilization V
22,076 42,403   Warframe
20,962 51,320   Garry's Mod
20,705 51,892   Fallout 4

Steam Hardware & Software Survey
Steam Stats