Here are the ten top selling titles on Steam for the week as reported by Valve:
1.Borderlands 2
2.Metro Last Light
3.XCOM: Enemy Unknown
4.Borderlands 2 Psycho Pack
5.Counter-Strike: Global Offensive
6.Total War: ROME II
7.Call of Duty: Black Ops II: Uprising
8.Reus
9.Call of Duty: Black Ops II
10.Don't Starve