Here are the ten top selling titles on Steam for the week as reported by Valve:
1.South Park: The Stick of Truth
2.Counter-Strike: Global Offensive
3.DayZ
4.Dark Souls II
5.Banished
6.Rust
7.Grand Theft Auto Complete Package
8.Left 4 Dead 2
9.Planet Explorers
10.Wargame: Red Dragon