This addon is playable in L4D2. WARNING: This campaign might be difficult/frustrating. The survivors were just trying to use the toilet but something went horribly wrong. The survivors were flushed into a world of constant challenges. ...

In the Nevada Desert, the U.S. Army have built a Military base around an ancient 'alien tomb' and after years of trying have managed to open it. Four survivors heard rumors of a fortified safe zone in the base, but have no knowledge of t...

I had originally made this for L4D2, but I felt it should also be on L4D1, so I backported it. May be some minor bugs in this initial release, any bugs can be reported below in the comments. A simple conversion of The Sacrifice from d...

This Christmas brings with it a frosty and festive Bloody harvest campaign with Christmas coloring! Santa has finally arrived as the director of Artificial Intelligence 2.0, who will judge all naughty boys and girls, so behave yourself b...

survivors find them selves in the great white north. Instead of questioning it they attempt to go south from Toronto to Niagara Falls into the U.S., Where rumor has it the U.S.Army Spec. Forces are hold up and in need of a few good battl...

City of the Dead Redux is a remake of City of the Dead originally released back in 2016, from the ground up. It incorporates the same general ideas of the original, while improving upon them. The Survivors must make their way through ...

However, this isn't one of those cheap conversions that stick a few ladders in, throw some new items in and say 'Hey I'm new!'. I am adding 33-50% more gameplay area to each map, with a focus on versus SI fun.

In Death Aboard you start out in a prison and work your way out to the nearest docks area. From here, you board a stranded ship and finally to an island where there will be a lighthouse as a finale.

The survival map from 'Dr. Malroy: The First Encounter', for L4D1

Fight the infected as you try to get away from the infected filled city, out into the countryside to escape. This is for those who like their campaigns long. *8 maps for co-op and versus modes. *4 maps include survival mode. *6 crescend...

Survivors must make their way through an infected city to escape the zombie apocalypse. Official conversion for L4D2 in the works.

Kill plenty of zombies starting in RiverSide (city) then battling through the Back Alleys, over a Draw Bridge, at a Military Outpost finding yourself at a Water Plant and during the escape at the Subway Station. This is the Latest Updat...

This Christmas brings with it a frosty and festive Bloody harvest campaign with Christmas coloring! Santa has finally arrived as the director of Artificial Intelligence 2.0, who will judge all naughty boys and girls, so behave yourself b...

All original l4d2 maps now for l4d1. This addon was created for the SUPER EXPERT BRAZIL Server. Outside of Super Expert Brazil it may present some errors and the lack of some sound effects.But it works well if you want to try it. Jo...

The daily version of the official campaign is Blood harvest. Daytime without mercy in l4d1, more interesting, potential plot, have fun! If you have any good suggestions, please let me know. Thanks.....

Campaign based on The Lighthouse survival map.

This is a port of the Ravenholm maps from Half Life 2. This is NOT original work, all I did was modify some areas to be suitable for Left 4 Dead, all credit goes to Valve for the maps. Note: To those who are interested the Left 4 Dead ...

Escort your companions across town and over the rooftops to the Arena. Hold off the legions of zombies until the Rescue Chopper arrives. Updated to version 4.0.

THIS IS THE OFFICIAL DOWNLOAD PAGE FOR FAIRFIELD TERROR, DEVELOPED AND PUBLISHED BY DAYS OF TERROR. Fairfield Terror is a fan-made remake of Turtle Rock Studio's original No Mercy, the game studio that owned the rights for Left 4 Dead...

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