Left 4 Dead
Set in the immediate aftermath of the zombie apocalypse, L4D's survival co-op mode lets you blast a path through the infected in four unique “movies,” guiding your survivors across the rooftops of an abandoned metropolis, through rural ghost towns and pitch-black forests in your quest to escape a devastated Ground Zero crawling with infected ene...
Today's Top Maps
5 Maps Co-Op Survival Versus
In Death Aboard you start out in a prison and work your way out to the neares... More >
Updated 08/20/11
Uploader Diputs
Author Diputs

Rating
2 Cold Stream (L4D1)
4 Maps Co-Op Versus Campaign
This is it's own campaign and doesn't affect the normal Cold Stream at all. More >
Updated 01/03/21
Uploader Vaz2107

Rating
3 Blood Harvest Remastered (A Concept Campaign)
5 Maps Campaign
THIS IS A CONCEPT CAMPAIGN. IT IS NOT FINISHED AND MAY NEVER BE FINISHED. Thi... More >
Updated 05/25/20
Uploader Mr_Sangheili

Rating
4 Hell's Forest
5 Maps Co-Op Versus Campaign
I of starts to make new campaign Hell's Forest,I hope campaign to you it is p... More >
Updated 08/11/20
Uploader Kairik

Rating
5 Deathcraft (L4D1) V1.1
5 Maps Co-Op Survival
As the last minecarts leave the town, the survivors are forced to find anothe... More >
Updated 02/11/12
Uploader rtsdeathreaper

Rating
6 Dead Vacation (L4D1)
5 Maps Co-Op Campaign
(L4D1 only) In this Dead Island inspired campaign, the survivors team up wit... More >
Updated 04/13/12
Uploader Manneklint
Author Manneklint

Rating
7 Blood Harvest Daytme
5 Maps Co-Op Survival
The daily version of the official campaign is Blood harvest. Daytime without ... More >
Updated 11/27/20
Uploader Vaz2107

Rating
8 Damned City
4 Maps Co-Op Versus Campaign
10/27/20 update 06/13/19 update 2 and 3 Map Now for l4d1! Includes many new... More >
Updated 11/16/20
Uploader Berger

Rating
9 Suicide Blitz
5 Maps Co-Op Survival Versus
Survivors must make their way through an infected city to escape the zombie a... More >
Updated 11/24/10
Uploader tsr2
Author R.T. Frisk

Rating
10 DeadCity Campaign
6 Maps Co-Op Survival Versus
Kill plenty of zombies starting in RiverSide (city) then battling through the... More >
Updated 10/23/10
Uploader ilcannibal
Author ilcannibal

Rating
Popular Content (Today)
5 Maps Co-Op Survival Versus
In Death Aboard you start out in a prison and work your way out to the neares... More >
Updated 08/20/11
Uploader Diputs
Author Diputs

Rating
2 Cold Stream (L4D1)
4 Maps Co-Op Versus Campaign
This is it's own campaign and doesn't affect the normal Cold Stream at all. More >
Updated 01/03/21
Uploader Vaz2107

Rating
3 Blood Harvest Remastered (A Concept Campaign)
5 Maps Campaign
THIS IS A CONCEPT CAMPAIGN. IT IS NOT FINISHED AND MAY NEVER BE FINISHED. Thi... More >
Updated 05/25/20
Uploader Mr_Sangheili

Rating
4 Hell's Forest
5 Maps Co-Op Versus Campaign
I of starts to make new campaign Hell's Forest,I hope campaign to you it is p... More >
Updated 08/11/20
Uploader Kairik

Rating
5 Deathcraft (L4D1) V1.1
5 Maps Co-Op Survival
As the last minecarts leave the town, the survivors are forced to find anothe... More >
Updated 02/11/12
Uploader rtsdeathreaper

Rating
6 Dead Vacation (L4D1)
5 Maps Co-Op Campaign
(L4D1 only) In this Dead Island inspired campaign, the survivors team up wit... More >
Updated 04/13/12
Uploader Manneklint
Author Manneklint

Rating
7 Blood Harvest Daytme
5 Maps Co-Op Survival
The daily version of the official campaign is Blood harvest. Daytime without ... More >
Updated 11/27/20
Uploader Vaz2107

Rating
8 Alternate scene for the plane crash in Dead Air
Vehicles
English: This mod adds a scene of an AH-64 war helicopter, in which it shoots... More >
Updated 02/16/21
Uploader PlayStation546
Author PSP546

Rating
9 Robotrooper 4 Pistol
Weapons
This Mod Replaces the Vanilla Pistol to the Robotrooper Pistol No Soundeffect... More >
Updated 02/26/21
Uploader SKULLFRFX
Author SKULLFRFX

Rating
10 Damned City
4 Maps Co-Op Versus Campaign
10/27/20 update 06/13/19 update 2 and 3 Map Now for l4d1! Includes many new... More >
Updated 11/16/20
Uploader Berger

Rating
Popular Content (Monthly)
4 Maps Co-Op Versus Campaign
This is it's own campaign and doesn't affect the normal Cold Stream at all. More >
Updated 01/03/21
Uploader Vaz2107

Rating
2 The Last Stand
2 Maps Co-Op Survival Versus
Campaign based on The Lighthouse survival map. More >
Updated 12/16/20
Uploader joseluis_56

Rating
3 Deathcraft (L4D1) V1.1
5 Maps Co-Op Survival
As the last minecarts leave the town, the survivors are forced to find anothe... More >
Updated 02/11/12
Uploader rtsdeathreaper

Rating
4 Death Aboard
5 Maps Co-Op Survival Versus
In Death Aboard you start out in a prison and work your way out to the neares... More >
Updated 08/20/11
Uploader Diputs
Author Diputs

Rating
5 City 17
5 Maps Co-Op Versus Campaign
Get to the trainstation, to escape from City 17. Contains hidden combines and... More >
Updated 12/27/10
Uploader mixmedia
Author Mixmedia

Rating
6 ROBLOXIAN(common infected)
Infected
offf -mod brought by the creator JTP, great job, all the respective credits t... More >
Updated 01/18/21
Uploader FABIN3380
Author JTP

Rating
7 GIANT TANK
Infected
- Incredible mod for the tank, the giant tank is a reality, all the credits c... More >
Updated 01/27/21
Uploader FABIN3380

Rating
8 Fairfield Terror: TRS No Mercy Remake (L4D1)
5 Maps Co-Op Survival Versus
THIS IS THE OFFICIAL DOWNLOAD PAGE FOR FAIRFIELD TERROR, DEVELOPED AND PUBLIS... More >
Updated 11/17/20
Uploader Mr_Sangheili

Rating
9 Dead Vacation (L4D1)
5 Maps Co-Op Campaign
(L4D1 only) In this Dead Island inspired campaign, the survivors team up wit... More >
Updated 04/13/12
Uploader Manneklint
Author Manneklint

Rating
10 Dead Center (L4D1) - OUTDATED
4 Maps Co-Op Survival Versus
---> (IMPORTANT: Read the Changelog!) <--- This is a port of L4D2 'Dead Cent... More >
Updated 12/27/20
Uploader Vaz2107
Author L4D2 on L4D

Rating
One 4 Nine Left 4 Dead
Uploader: keved
Author: Kev Edwards
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 the tomb nor what will await them upon arrival...

4th OCTOBER 2014 - NEW VERSION RELEASED! 

Many thanks to JMantis for the custom soundtrack, bunny for custom models, and my playtesters for their help (particularly csz and faluhsi). Feedback welcome on this new version!
View Changelog (v9 Complete)
Updated: 10/04/14   •   Views: 269,139  •  l4d1_one4nine_v9.zip (316MB)