This co-operative action horror FPS takes you and your friends through the cities swamps and cemeteries of the Deep South from Savannah to New Orleans across five expansive campaigns. Left 4 Dead 2 is a cooperative first-person shooter video game the sequel to Valve Corporations Left 4 Dead. Set during the aftermath of an apocalyptic pandemic Left 4 Dead 2 focuses on four new Survivors fighting against hordes of the Infected who develop severe psychosis and exhibit zombie-like tendencies. The Game builds upon cooperatively focused gameplay and Valves proprietary Source engine the same game engine used in the original Left 4 Dead. Take the role of a different set of survivors as you use all. All Discussions Screenshots Artwork Broadcasts Videos Workshop News Guides Reviews. Left 4 Dead PC Co-op With 2 Keyboards and 2 Mice.