Set in the immediate aftermath of the zombie apocalypse, Left 4 Dead's survival co-op mode lets up to four players blast a path through the swarming zombie hordes and terrifying mutant monsters. Guide 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 enemies.

Introducing the Source Filmmaker!

Introducing the Source Filmmaker!

Jun 27, 2012 22 comments

The Source Filmmaker (SFM) is the movie-making tool built and used by Valve to make movies inside the Source game engine.

Left 4 Dead - The Movie Teaser Trailer

Left 4 Dead - The Movie Teaser Trailer

Sep 22, 2011 4 comments

DSOGaming writes: "Okay Valve lovers, get ready for a live-action movie that will be based on your favourite zombie FPS game. Left 4 Dead - The Movie...

Blender SMD Tools 1.0 released

Blender SMD Tools 1.0 released

Jun 24, 2011 19 comments

After more than 50 releases, the Blender SMD Tools have left beta. Import and export all types of SMD, compile QCs automatically and import DMX with 100...

Released: Poster Fix For VPK Version Of Bilian's L4D2 S&M Mod Plus v1.1

Released: Poster Fix For VPK Version Of Bilian's L4D2 S&M Mod Plus v1.1

Dec 23, 2010 0 comments

If you downloaded or plan on downloading the VPK add-on version 1.1 of Bilian's Sound & Music Mod, also grab this small fix which corrects the names...

Bilian's Sound & Music Mod Plus v1.1 Now Available As A VPK Add-On

Bilian's Sound & Music Mod Plus v1.1 Now Available As A VPK Add-On

Dec 20, 2010 0 comments

Now fully available as an easy-to-install VPK Add-On, Bilian's Sound & Music Mod Plus, (recently updated for "The Sacrifice" DLC), features an intense...

Released: Bilian's L4D2 S&M Mod v1.1 Updated For 'The Sacrifice' DLC

Released: Bilian's L4D2 S&M Mod v1.1 Updated For 'The Sacrifice' DLC

Dec 16, 2010 4 comments

Updated for "The Sacrifice" DLC, version 1.1 of Bilian's Sound & Music Mod Plus now features an intense set of over 1,700 files of carefully crafted sounds...

Left4Dead

Left4Dead

Oct 1, 2010 1 comment

The Sacrifice is coming this Tuesday! Tuesday! Tuesday!

"The Sacrifice" DLC coming so soon?

"The Sacrifice" DLC coming so soon?

Oct 1, 2010 5 comments

news for the upcoming DLC for Left 4 Dead and Left 4 dead 2, The Sacrifice!

Bilian's L4D2 Sound Mod Updating to v1.1 After Release Of DLC2 "The Sacrifice"

Bilian's L4D2 Sound Mod Updating to v1.1 After Release Of DLC2 "The Sacrifice"

Sep 18, 2010 1 comment

An update is planned for Bilian's L4D2 Sound & Music Replacement Mod Plus that will include replacement audio for upcoming DLC 2 "The Sacrifice...

Community Spotlight #8 - Left 4 Dead Movie, L4D2 Free Weekend

Community Spotlight #8 - Left 4 Dead Movie, L4D2 Free Weekend

Jan 9, 2010 2 comments

Another surprise Community Spotlight bringing information about the Left 4 Dead movie, Half Life 2 graphic update, a free weekend L4D2 and more.

Community Spotlight #8 - Left 4 Dead Demake, I Hate Mountains and More

Community Spotlight #8 - Left 4 Dead Demake, I Hate Mountains and More

Jan 6, 2010 0 comments

This week we are talking about some major community updates including the Left 4 Dead Demake, I Hate Mountains and much more.

Community Spotlight #6 - Xmas Time Releases

Community Spotlight #6 - Xmas Time Releases

Dec 29, 2009 0 comments

We talk about the SDK, Rampage mode and some other stuff as well as some new content coming to the SDP website

Survivors Diary Season 2 Episode 3

Survivors Diary Season 2 Episode 3

Oct 26, 2009 1 comment

Episode 3 of the second season bringing with it some more news, community, tactics and more.

Survivors Diary Season 2 Episode 2

Survivors Diary Season 2 Episode 2

Oct 12, 2009 1 comment

The second episode of the second season of the Left 4 Dead podcast is out now. We talk about Crash Course and get a sneak peak at Cold Case.

Crash Course out Now!

Crash Course out Now!

Sep 29, 2009 0 comments

The brand new DLC for Left 4 Dead one is out with its brand new achivements. Check it out here!

Survivors Diary Season 2 Episode 1

Survivors Diary Season 2 Episode 1

Sep 29, 2009 0 comments

The first episode of the new series of the Survivors Diary. We discuss Left 4 Deads 2's infected. The Dead City Campaign and much more.

L4D: Crash Course & L4D2: Xbox Custom Campaigns/Demo

L4D: Crash Course & L4D2: Xbox Custom Campaigns/Demo

Sep 25, 2009 1 comment

Information about Left 4 Deads: Crash Course, Left 4 Dead 2: Xbox campaigns, Left 4 Dead 2: Demo as well as information about website development, and...

Left 4 Dead Crash Course Available Sept 29th

Left 4 Dead Crash Course Available Sept 29th

Sep 23, 2009 0 comments

Today the Left 4 Dead team at Valve announced that the new Crash Course DLC will be made available for download next Tuesday September 29th!

More Left 4 Dead DLC Announced

More Left 4 Dead DLC Announced

Aug 6, 2009 4 comments

August 4, 2009 - Left 4 Dead Creators, Valve announce additional free DLC for this popular title. Read on for the whole story...

L4D2 Boycott Continues

L4D2 Boycott Continues

Jun 21, 2009 310 comments

As the famous L4D2 Boycott Group has entered their 20th day, the group stands stronger every minute due to an unstoppably devoted community.

VPK and Left 4 Dead

VPK and Left 4 Dead

Jun 20, 2009 32 comments

Valve spills the beans on custom content for the popular game, Left 4 Dead.

Theories on nude mods

Theories on nude mods

Jun 15, 2009 141 comments

Lets take a light-hearted look at one theory on why nude mods exist.

L4D2 Boycott Group emails Valve with their demands

L4D2 Boycott Group emails Valve with their demands

Jun 7, 2009 314 comments

The famous L4D2 Boycott Group emails Valve with a manifesto. The group has is angry about the newly coming game L4D2 after a year of release of L4D. The...

L4D Community on the rise

L4D Community on the rise

Jun 4, 2009 189 comments

As the newly announced L4D2's prices are shown in Amazon, the fans have started a group in steam to boycott the new game. The highly anticipated group...

The future of the L4D SDK

The future of the L4D SDK

Jun 4, 2009 35 comments

The surprise announcement of Left 4 Dead 2 has a few people asking questions about the original SDK.

Left 4 Dead Beta SDK Released

Left 4 Dead Beta SDK Released

May 15, 2009 45 comments

Left 4 Dead SDK Beta is out, find out the info here!

Left 4 Dead SDK

Left 4 Dead SDK

Apr 21, 2009 54 comments

Valve sets up to release the DLC for PC and 360 versions of Left 4 Dead. Which will include the long awaited SDK.

Left 4 Dead SDK "this spring"

Left 4 Dead SDK "this spring"

Feb 5, 2009 23 comments

Custom maps will be discoverable from matchmaking; release to coincide with 'Survival Pack' DLC.

Stylized Darkness in L4D

Stylized Darkness in L4D

Jan 8, 2009 23 comments

Part 2 of the Left 4 Dead blog series on art direction.