L4D2 Version: http://www.l4dmaps.com/details.php?file=7221
L4D2 Director's Cut Version: http://www.l4dmaps.com/details.php?file=7774
Dead Before Dawn is the l4d(2) addon campaign remake of Dawn of the dead, a 2004 remake of George Romero's classic zombie killer movie. It features unique gameplay powered by custom events in an environment full of custom props, textures and music. And it is very good fun. When I got to inside the mall, I spent a few minutes looking around my surroundings. Well, whenever I got a break from all the infected killing that is

But seriously, if you have got L4D1 or 2 and looking for a well made custom map, then this what I would tell you to download. It is a bit on the big side, but it is worth it