We may earn a commission from links on this page. Here's a look at seven early concept designs for Valve's Left 4 Dead, posters that blur the line between the 2008 original game for PC and Xbox ...

We may earn a commission from links on this page. Here's the original poster for Left 4 Dead 2's new downloadable content, The Passing. Below you'll find the new version Valve has just released ...

Click on the behind-the-scenes photo to visit the Left 4 Dead: The Movie Facebook fan page, which boasts stills and more, and then click the poster to visit the project’s official site!