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.

New technology dubbed the "AI Director" is used to generate a unique gameplay experience every time you play. The Director tailors the frequency and ferocity of the zombie attacks to your performance, putting you in the middle of a fast-paced, but not overwhelming, Hollywood horror movie.

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Blog RSS Feed Post news Report abuse Latest News: Introducing the Source Filmmaker!

22 comments by Maxen1416 on Jun 27th, 2012

The Source Filmmaker (SFM) is the movie-making tool built and used by the staff at Valve to make movies inside the Source game engine. Because the SFM uses the same assets as the game, anything that exists in the game can be used in the movie, and vice versa. By utilizing the hardware rendering power of a modern gaming PC, the SFM allows storytellers to work in a what-you-see-is-what-you-get environment so they can iterate in the context of what it will feel like for the final audience.

To celebrate the announcement of the SFM, They've also released "Meet the Pyro", the ninth installment in the "Meet the Team" series. Like all of Their animated shorts, They made it using the SFM.

If you're interested in making movies and games in parallel, sign up for an SFM beta key and start shooting your movie on location inside the world of TF2 today.

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Source Multi-Tool 1.0

Source Multi-Tool 1.0

Nov 23, 2013 Mapping Tool 5 comments

I've been working away at this for quite awhile now and after many revisions I'm happy to release version 1.0 of the new Source Multi-Tool. Source Multi-Tool...

Left 4 Dead 2 Random Map Generator

Left 4 Dead 2 Random Map Generator

Oct 6, 2012 Mapping Tool 20 comments

This random map generator for Left 4 Dead 2 mends predefined tiles together to a new level. The project is based on python and includes a crude VMF (Valve...

Elements of War 1337 Board v8

Elements of War 1337 Board v8

Jan 2, 2012 Full Version 19 comments

Elements of War: 1337 Board is a HotkeyZ Menu based on Config.cfg from id Software's Quake engine and Valve Software's Gold Source and Source engines...

Ultimate Builder

Ultimate Builder

Jan 13, 2011 Other 1 comment

The updated version of this is now merged with another custom menu, they are both in the same file, so two for one. It's called, called 'Custom Radial...

L4D Survival Map - Wetwork

L4D Survival Map - Wetwork

Nov 4, 2010 Full Version 4 comments

4 survivors are stuck on a rather familiar cargo ship as they sail across the Atlantic, but they fear the infection got on board before they left.

1337 Board v7

1337 Board v7

Jun 6, 2010 Full Version 89 comments

Hotkeys Menu! ModZ/Quake/HL/HL2/CS/CS:S/L4D/L4D2/PortaL/2/Dark Messiah/Call of Duty/World of WarCraft Etc Etc Etc...!!!

Post comment Comments  (50 - 60 of 208)
FelipeFR Nov 10 2009, 12:23pm says:

Does anyone here know how to turn on the subtitles? And why the hell the voices in my game are in Russian?

+2 votes     reply to comment
Conchobhar Nov 5 2009, 10:00pm buried:


Does ANYONE at valve know what the hell iron-sights are?
It's almost 2010 and to have an FPS without them is ludicrous.

-8 votes     reply to comment
Lt.SnoWolf Jan 22 2010, 5:45pm replied:

Its called fun.

0 votes     reply to comment
FelipeFR Nov 10 2009, 12:21pm replied:

It's called realism, noob.

+3 votes     reply to comment
FelipeFR Nov 11 2009, 12:44pm replied:

LOL, I confused Crosshairs and Iron Sights. Sorry, my english failed.

+1 vote     reply to comment
LORDDEREX Dec 7 2009, 6:05am replied:

Iron sight, Solid aim.
Crosshair- ingame aim that is in the middle of ur screen (in most of the games/mods)

+1 vote     reply to comment
oskars18 Oct 24 2009, 2:41pm buried:


worst game ever. thankfully this game dont work on my pc(yet)

-20 votes     reply to comment
Louisfan96 Aug 16 2009, 9:20pm says:

can't wait for L4D2 to come out. it is going to rock! in gameinformer, they got an e-mail saying that Valve should make Left 4 Dead 2 a download. Then gameinformer replyed to it in the magazine, saying that there is over 3 new infected, over 5 new maps, and that the people who think it should be an expansion, are just sapprised thatit was made only a year after the first. Go melee weapons!!

+3 votes     reply to comment
Dig1tal_Cha0s Sep 29 2009, 5:56am buried:


Over 5 new maps is nothing that's a map pack and that's what people are complaining about.

-7 votes     reply to comment
Scarface123 Aug 10 2009, 2:06pm says:

Its the best ******* zombie game in the world

0 votes     reply to comment
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Left 4 Dead
Windows, X360
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Released Nov 2008
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Highest Rated (3 agree) 10/10

The infected look better in L4D 1 than L4D 2

Aug 27 2012, 4:12am by ´╗┐╬╗pone

First Person Shooter
Single & Multiplayer
Left 4 Dead
Left 4 Dead Single & Multiplayer First Person Shooter
Left 4 Dead 2
Left 4 Dead 2 Single & Multiplayer First Person Shooter
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