Users who own this game also own:

Left 4 Dead 2
Left 4 Dead 2
Portal 2
Portal 2
Metro 2033
Metro 2033
Portal
Portal
Just Cause 2
Just Cause 2

Users who love this game also love:

BioShock
BioShock
Dead Space 2
Dead Space 2
Dead Space
Dead Space
Alan Wake
Alan Wake
Batman: Arkham Asylum
Batman: Arkham Asylum