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  (40 - 50 of 208)
Auth3ntic0 Oct 6 2010, 3:33am says:

- Added VPK audio cache support.

Hell YEA!

+2 votes     reply to comment
Auth3ntic0 Oct 6 2010, 4:25am replied:

It looks like I can't hear the survivors longer dialogues on The Sacrifice for some reason. Anyone know why? Could it be from downloaded maps?

+2 votes     reply to comment
Auth3ntic0 Oct 7 2010, 3:30am replied:

Solved. I had to disable every custom map I had installed and snd_rebuildaudiochache again.

+2 votes     reply to comment
oskars18 Aug 7 2010, 6:11pm says:

I can run this game with my Intel Celeron E3300.i tested recently and and run just fine. without lags. and i think i never get to play this game.but fortunately i can. and now i am happy. i know i previously called this game ****, but now i change my mind. this game is superb. yes this game best played in multiplayer.but i play single player only. i don't much like multiplayer mode.

+4 votes     reply to comment
figalot Feb 23 2010, 6:09am says:

that usaully happens if ur downloading illegaly

+4 votes     reply to comment
tymaxbeta Jul 14 2010, 10:45am replied:

Non necessarily, in fact I'm own legitimately over 70 games on steam, and I even get that error at times, it simply means that the servers you attempting to connect to have already has too many clients downloading from the servers, no doubt his error happened during the engy update, that's the last time I had the error, I just switched over to the Toronto servers to download and it was fine, but your claim that he is pirating is totally off the wall because often when a game is pirated it comes with the content necessary to run the game...

+3 votes     reply to comment
fadi.naoum. Feb 1 2010, 11:47am says:

when i install using steam it gives me an error saying
steam servers are too busy to handle your request

+1 vote     reply to comment
5P3C7R3 Dec 17 2009, 10:26am says:

I don't know why...
At sometimes, it quits by itself whenever I'm playing this game.
Was it because of the graphics I set was too high?

+2 votes     reply to comment
AUG_DUDE Mar 27 2010, 10:26am replied:

you need more ram

+2 votes     reply to comment
AUG_DUDE Dec 16 2009, 8:02am says:

what makes L4D better than L4D2?
answer plz
don't rape karma, cos i still don't know what

+2 votes     reply to comment
Trans-Fat Dec 27 2009, 6:54pm replied:

left 4 dead has gibs in the australian version. left for dead 2 has disspearing non gory harrypotter zombies. hut of their heads and the disapear like magic.

+3 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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