A suicidal millenial cult has hijacked a cargo tanker off the coast of New York and are trying to release a deadly neo mitochondrial virus, you must infiltrtate the ship and neutralise this threat!
I had a lot of fun testing this XD This was originally a css map i made a year ago.

With New York decimated by the neo-mitochondrial creatures the 17th precinct has become one of the last outposts in this city gone mad

How long can your survive Fukushima's Radioactive Zombies?
Welcome to the worlds WORST Nuclear disaster site.

Can you survive?

From the ashes of a ruined ancient civilisation rised the empire, Harvesting forbidden technology and trying to stem the tide of ancient biological organic weapons. One of the empires outposts was excavating a giant ancient machine, however the biological weapons have been alerted.

Due to this dumb website, all my maps were wiped out of my account, so i would like to say thank you to whoever owns this website for making me extremely angry! Anyway, have fun in a huge survival map map I have created with my own skill to help with the uniqueness of the game experience!

This is a quick modification of the first map i ever made about 3 years ago for css zm. It occured to me that it would work a charm if ported into left 4 dead. Its probably the easiest survival map ever, as the survivors have a perfect vantage point above the huge bunker complex which is a labyrinth

A World war 2 map based on a mission in commandos 2. This map is huge the nav file is over 60MB and took over 4 hours to analyse. Warning: this map contains images which are banned in Germany, so if you live in Germany don't download this. You have infiltrated a Nazi U-boat base, but Hitler's elite high priests have used occult rituals to resurrect the un-dead

The alien parasites have been conspiring against humanity for ages from a creepy old mansion. 4 survivors have infiltrated the island and must defend themselves against infinite parasite hordes in the inner sanctum! First map, be kind

A new breed of hunter killer hybrids are being incubated and when they hatch, your doomed.

This map is heavily inspired by the imperious system shock 2

DISTRESS CODE DELTA CHARLIE: Attention UNN Rickenbacker. This is Von Braun. Ship status critical. 80% of crew dead or worse. DON'T ATTEMPT RESCUE

7 trillion kilometers from earth, in the deep void of space, hostile xenomorphs have hijacked your ship and turned your comrades into zombies, your only choice is to fight and at least die human

***Recommended that you reset your game instructor before playing this*** The survivors are taken into a evacuation post but it is quickly taken over by the infection. They take refuge in the military base's armory.Fight your way back to the surface and find the other evac post that is perhaps safer

Seven rooms, all filled with the essentials needed to survive, but the doors are firmly bolted, and will only open at random times. This truly unique Survival map ensures that anything that could go wrong, possibly will, with possibly shocking repercussions.

As the last minecarts leave the town, the survivors are forced to find another way to safety. A Left 4 Dead campaign based on Minecraft. A short-medium length campaign. Report all bugs at deathcraft(dot)l27nexus(dot)com

This map was an idea that I thought of while building a base on NoMercy's Rooftop. This map is made for Scripters and Fort Building but if you really wanted you can use it for a legit game.

*EDIT*
Heard Some Complaints About Missing Stuff. Will fix. Till then, continue building!