Counter-Strike: Source

1,655 hrs

Dota 2

1,182 hrs

Team Fortress 2

602 hrs

Counter-Strike 2

325 hrs

Call of Duty: Modern Warfare 2 (2009)

122 hrs

Call of Duty®: Modern Warfare® 3 (2011)

86 hrs

Call of Duty: Black Ops

51 hrs

Call of Duty®: Modern Warfare® 3 (2011) - Multiplayer

37 hrs

Counter-Strike

36 hrs

Mass Effect 3 (2012)

32 hrs