Dead Before Dawn is a campaign based off the 2004 remake of Dawn of the Dead. The campaign sports various locations from the movie, including:
* The Crossroads Mall
* Andy’s Gunshop
* Anna’s House
* The Park
* etc. 
CLIENT SIDE (i.e Your own pc)
Extract the Dead Before Dawn folder to Steam/SteamApps/Common/left 4 dead/left4dead/addons
Start up Left 4 Dead, in the main menu open your console and type: snd_rebuildaudiocache
It will seem as if a map is loading, let it load, if it gets stuck on a full loading bar,
leave it for 5 minutes before CTRL ALT DEL out of it to close it down
If you dont know how to open the console go to options, keyboard and mouse, and enable developers console.
You can now bring the console up by pressing the tilde key (`) which is to the left of the 1 key.
KNOWN BUG – DO THIS TO AVOID IT!
There is a known bug with a soundloop that occurs when setting zombies on fire, open the console and type this: bind g "snd_restart"
Anytime you get the soundloop bug, just tap the G key and it will stop. We apologise for this bug, but its a problem within L4D not the campaign.
SERVER SIDE
Video:
http://www.youtube.com/watch?v=kNBTCfXrV70&feature=fvw
Extract the CONTENTS of the folder to /left4dead. Pay attention that you extracted the CONTENTS of the DeadBeforeDawn folder directly into your left4dead folder.
INCORRECT: left4dead/DeadBeforeDawn (There must be NO DeadBeforeDawn folder, only the files and folders inside the DeadBeforeDawn folder)
CORRECT: /left4dead
If you install it to the addons folder on your server, it WILL NOT detect it.
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