Top games by current player count
Current Players Peak Today   Game
 
536,666 954,886   Dota 2
231,121 639,437   Counter-Strike: Global Offensive
58,217 76,876   Team Fortress 2
54,048 74,398   DARK SOULS III
38,594 54,946   Sid Meier's Civilization V
35,724 56,638   Garry's Mod
32,478 54,477   ARK: Survival Evolved
31,596 56,350   Rocket League
30,375 47,648   Warframe
28,748 47,599   Grand Theft Auto V

Steam Hardware & Software Survey
Steam Stats