Counter-Strike: Source (1,100 hrs)
Counter-Strike: Global Offensive (480 hrs)
Rocket League (13.5 hrs)
METAL GEAR SOLID V: THE PHANTOM PAIN (8 hrs)
Batman: Arkham Knight (7.5 hrs)
STAR WARS Empire At War: Gold Pack (5.5 hrs)
Tom Clancy's The Division (5 hrs)
ARK: Survival Evolved (4 hrs)
Cities: Skylines (3.5 hrs)
Mount & Blade: Warband (3 hrs)
Middle-Earth: Shadow of Mordor (2 hrs)
Primal Carnage (2 hrs)
Papers, Please (1.5 hrs)
Lucius (0.5 hrs)
Magicka 2 (0.5 hrs)
Slender: The Arrival
DiRT Showdown
Batman: Arkham Origins
Castle Crashers
Company of Heroes

And some random shitty games that no one cares about.