Here are the ten top selling titles on Steam for the week as reported by Valve:
1.Elite: Dangerous
2.Counter-Strike: Global Offensive
3.METAL GEAR SOLID V: THE PHANTOM PAIN
4.Grand Theft Auto V
5.Cities: Skylines - After Dark
6.SOMA
7.Dying Light
8.ARK: Survival Evolved
9.Rocket League
10.Fallout 4