Users who own this game also own:

Team Fortress 2
Team Fortress 2
The Witcher: Enhanced Edition
The Witcher: Enhanced Edition
Portal
Portal
Wii Sports
Wii Sports
Sid Meier's Civilization V
Sid Meier's Civilization V

Users who love this game also love:

Halo: Reach
Halo: Reach
Angry Birds
Angry Birds
inFamous 2
inFamous 2
Guitar Hero III: Legends of Rock
Guitar Hero III: Legends of Rock
Bit.Trip Flux
Bit.Trip Flux