Steam Hardware & Software Survey
Steam Stats
Top games by current player count
Current Players Peak Today   Game
 
540,236 805,538   Dota 2
183,749 523,254   Counter-Strike: Global Offensive
40,124 67,933   Team Fortress 2
33,991 50,879   Sid Meier's Civilization V
33,807 58,456   Grand Theft Auto V
32,109 42,496   Starbound
30,357 53,069   Garry's Mod
27,642 36,539   ARK: Survival Evolved
21,198 45,600   Rocket League
20,639 32,224   Fallout 4