Set in the immediate aftermath of the zombie apocalypse, L4D's survival co-op mode lets you blast a path through the infected in four unique movies, guiding your survivors across the rooftops of an abandoned metropolis, through rural ghost towns and pitch-black forests in your quest to escape a devastated Ground Zero crawling with infected enemies. ...Read More Each "movie" is comprised of five large maps, and can be played by one to four human players, with an emphasis on team-based strategy and objectives.

How long is Left 4 Dead?
When focusing on the main objectives, Left 4 Dead is about 7 Hours in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 59 Hours to obtain 100% completion.

Left 4 Dead will take you approximately 8 Days to complete if you play for 1.5 hours a day while focusing on some extra content.