A maze of sort, Extremely difficult, You will most likely not last no more then 4 minutes.
Lighting, Thunder, and 3D Skybox. Don't ask me where this place is located, I have no idea.
Make sure to download the addon support tool.

The Original No Mercy Ported to l4d2 to be as authentic to the original as possible.
Add-on Support Required.

A Military base in the middle of nowhere (modeled from The Cheyenne Mountain Complex).
The Survivors must fight for there lives in a battle of epic proportions.

Credits:
Modified By Me
design by Venomfang
lantern textures by SurrealBeingX
An open source map for css Highly modified to work for l4d2. Only accessible area is the house, hence House Of The Dead.
I will add more to it in the future.

The Survivors are at the end of an Epic journey, And have found them selves stranded on The Lost Coast. Get to the top of the mountain, to The Cathedral and summon the chopper for rescue.
Addon Support Required!!

This is an Alpha So crashes may occur.

A Beautiful map with Plenty of Displacements, and the new m60 Machine Gun. Addon Support Tool Required.

I have explicit permission from Zawmbie AKA EL PEDRO, To port and post this map, quite possibly the best l4d Survival map ever made.
Special Thanks Goes To Zawmbie For Creating this classic map.
Addon Support Required

The Monastery from The Lost Coast. This is a Prototype of the the Monastery that will be in the ported version of The lost coast that I will be releasing soon.
It takes place in a Cathedral (Mostly modeled from The Lost Coast).
Addon support required!!

The original cs_office ported to l4d2.
This may use some l4d1 textures, Addon Support Required.