These are the ten top selling titles on Steam for the week as reported by Valve:
1.METAL GEAR SOLID V: THE PHANTOM PAIN
2.Mad Max
3.The Witcher 3: Wild Hunt
4.Counter-Strike: Global Offensive
5.Grand Theft Auto V
6.Rocket League
7.ARK: Survival Evolved
8.Killing Floor 2
9.DARK SOULS II: Scholar of the First Sin
10.Project CARS