Steam app 500 · updated 26 Sep 2026, 06:20 UTC
From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.
718 hourly samples, with the daily peak drawn over them. Weekends are shaded.
171 months, July 2012 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 108 hourly samples from 27 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
26 days as the curve, each the highest figure that day. Behind it, 610 hourly samples. Each dip is a night. Weekends are shaded.
Left 4 Dead was released on Nov 17, 2008.
Includes realistic violence, blood and gore involving zombie-like creatures.
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| English | ● |
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| German | ● |
| Spanish - Spain | ● |
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| Portuguese - Brazil | |
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| Spanish - Latin America | |
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| Vietnamese |
A blank audio cell means full audio was not marked in the returned language list.
Left 4 Dead TV Spot 1
Watch on Steam
Left 4 Dead Intro (English)
Watch on Steam
Left 4 Dead TV Spot 2
Watch on Steam
Left 4 Dead - The Sacrifice Trailer
Watch on Steam73 achievements in total.
50 developer announcements, Jun 2009 to Jun 2026 · times in UTC
An update has been released for Left 4 Dead. - Fixed custom sprays not displaying for remote clients.
Patch notesAn update has been released for Left 4 Dead. - Fixed several exploits that could crash servers or remote players.
Patch notesAn update has been released for Left 4 Dead. - Block clients' ability to pause dedicated servers, unless the server operator has explicitly allowed it.
Patch notesAn update has been released for Left 4 Dead. - Fixed exploits used to crash remote servers.
Patch notesAn update has been released for Left 4 Dead. - Fixed some exploits used to crash remote servers.
Patch notesAn update has been released for Left 4 Dead. - Fixed several crash and remote code execution exploits.
Patch notesAn update has been released for Left 4 Dead game and authoring tools: - Fixes for several crash and remote code execution exploits.
Patch notesAn update has been released for Left 4 Dead: - Fixed an exploit that could force votes to pass without notifying other players. - Added protections against malicious network packets. - Integrated several exploit fixes from Left 4 Dead 2.
Patch notesAn update has been released for Left 4 Dead: - Fixed several vulnerabilities and exploits, reported via HackerOne. - Localization fixes, added Latin American Spanish.
Patch notesAn update has been released for Left 4 Dead. - Fixed a potential remote code execution exploit through malformed file uploads. Reported via HackerOne.
Patch notesAn update has been released for Left 4 Dead - Fixed Authoring Tools failing to write to disk
Patch notesAn update has been released for Left 4 Dead - Fixed several potential RCE exploits.
Patch notesWhile cleaning/moving our offices around (all our desks at Valve are on wheels so we can have desk races), we discovered this old, long ago used Zombie decision making tree. It was created before our session with Mike Patton to record the…
the gishWhile cleaning/moving our offices around (all our desks at Valve are on wheels so we can have desk races), we discovered this old, long ago used Zombie decision making tree. It was created before our session with Mike Patton to record the…
the gishLooking around at holiday decorations and sales, we noticed an alarming lack of zombies. We needed to fix that. We did.
Chethttp://media.steampowered.com/apps/l4d/images/l4d_sale.jpg Looking around at holiday decorations and sales, we noticed an alarming lack of zombies. We needed to fix that. We did.
ChetLone Gunman, Following L4D2, Movie Fan, Next Wednesday Lone Gunman You and your Magnum against the deadly horde and Boomers. So you have your Magnum pistol and… well you do have your Magnum pistol. You better be counting bullets because…
the gishLone Gunman, Following L4D2, Movie Fan, Next Wednesday Lone Gunman You and your Magnum against the deadly horde and Boomers. So you have your Magnum pistol and… well you do have your Magnum pistol. You better be counting bullets because…
the gishLast night a few updates were applied to the Xbox 360 version of Left 4 Dead. Foremost is the ability to recover achievement progress that was lost after The Sacrifice release. Recovered progress will be added to any new progress made since…
the gishLast night a few updates were applied to the Xbox 360 version of Left 4 Dead. Foremost is the ability to recover achievement progress that was lost after The Sacrifice release. Recovered progress will be added to any new progress made since…
the gishGib Fest and…, You are Glowing, Do you compete? Gib Fest M60s and buckets of blood. For our coop mutation this week we return to everyone’s favorite Gib Fest. Simple, go play. Realism Versus We are also “featuring” Realism Versus. This week…
the gishGib Fest and…, You are Glowing, Do you compete? Gib Fest M60s and buckets of blood. For our coop mutation this week we return to everyone’s favorite Gib Fest. Simple, go play. Realism Versus We are also “featuring” Realism Versus. This week…
the gishOn this date last year, we released Left 4 Dead 2. The year before Left 4 Dead debuted. The team would like to thank the over 9 million people who have taken the time to prepare for the upcoming zombie apocalypse. While we continue to…
the gishOn this date last year, we released Left 4 Dead 2. The year before Left 4 Dead debuted. The team would like to thank the over 9 million people who have taken the time to prepare for the upcoming zombie apocalypse. While we continue to…
the gishHealing Gnome, Halloween?, Pick the Mutation, Tweet Tweet Healing Gnome There is only one way to heal, holding the Gnome! This Coop game is all about the Gnome and his magical healing properties. There is only one way to heal and that is by…
the gishHealing Gnome, Halloween?, Pick the Mutation, Tweet Tweet Healing Gnome There is only one way to heal, holding the Gnome! This Coop game is all about the Gnome and his magical healing properties. There is only one way to heal and that is by…
the gishBleed Out Versus, You Rock, Halloween? Bleed Out Versus Now you have a good excuse for rushing through Versus. There is no permanent Survivor health, it is all temporary and it is ticking down. Even if you don’t normally play Versus, this…
the gishBleed Out Versus, You Rock, Halloween? Bleed Out Versus Now you have a good excuse for rushing through Versus. There is no permanent Survivor health, it is all temporary and it is ticking down. Even if you don’t normally play Versus, this…
the gishLone Gunman Mutation You and your Magnum against the deadly horde and Boomers. So you have your Magnum pistol and… well you do have your Magnum pistol. You better be counting bullets because four swipes by a common and you are dead. Getting…
the gishLone Gunman Mutation You and your Magnum against the deadly horde and Boomers. So you have your Magnum pistol and… well you do have your Magnum pistol. You better be counting bullets because four swipes by a common and you are dead. Getting…
the gishWe have released the Sacrifice for Left 4 Dead on the PC, for Left 4 Dead 2 on the PC and Mac. It will be released later this evening on the Xbox 360. We have also released the final issue of the comic for you to read while downloading the…
the gishWe have released the Sacrifice for Left 4 Dead on the PC, for Left 4 Dead 2 on the PC and Mac. It will be released later this evening on the Xbox 360. We have also released the final issue of the comic for you to read while downloading the…
the gishLeft 4 Dead 1 and 2 are coming to the Mac! We like the platform wars in the forums so much that we've decided to add a new platform to the fray. Later this spring, we'll be releasing both Left 4 Dead 1 and 2 on the OSX operating system for…
SZLeft 4 Dead 1 and 2 are coming to the Mac! We like the platform wars in the forums so much that we've decided to add a new platform to the fray. Later this spring, we'll be releasing both Left 4 Dead 1 and 2 on the OSX operating system for…
SZAs many of you might have heard , Gabe and I went to Australia last week to try out the Source MOD made by Joe W-A, after he was able to raise the funds for the $3000 plane ticket in less than 48 hours. We're back now in Bellevue…
SZhttp://www.l4d.com/blog/images/posts/021/7730miles_thumb.jpg As many of you might have heard, Gabe and I went to Australia last week to try out the Source MOD made by Joe W-A, after he was able to raise the funds for the $3000 plane ticket…
SZL4D DLC2 Expands Award-Winning Game September 29, 2009 - Valve, creators of best-selling game franchises (such as Half-Life, Portal, Team Fortress, and Counter-Strike) and leading technologies (such as Steam and Source), today announced…
noLonger@thisAddressL4D DLC2 Expands Award-Winning Game September 29, 2009 - Valve, creators of best-selling game franchises (such as Half-Life, Portal, Team Fortress, and Counter-Strike) and leading technologies (such as Steam and Source), today announced…
noLonger@thisAddressL4D1 DLC2 Expands Award-Winning Game September 23, 2009 - Valve, creators of best-selling game franchises (such as Half-Life, Portal, Team Fortress, and Counter-Strike) and leading technologies (such as Steam and Source), today announced…
noLonger@thisAddressL4D1 DLC2 Expands Award-Winning Game September 23, 2009 - Valve, creators of best-selling game franchises (such as Half-Life, Portal, Team Fortress, and Counter-Strike) and leading technologies (such as Steam and Source), today announced…
noLonger@thisAddressGet the inside scoop on Left 4 Dead 2, new Left 4 Dead DLC and much, much more tonight on GTTV! Tonight's revealing episode of GameTrailers TV takes viewers inside Valve as we showcase brand new Left 4 Dead 2 footage, including a…
AldenGet the inside scoop on Left 4 Dead 2, new Left 4 Dead DLC and much, much more tonight on GTTV! Tonight's revealing episode of GameTrailers TV takes viewers inside Valve as we showcase brand new Left 4 Dead 2 footage, including a…
AldenEntitled "Crash Course," the latest DLC delivers new single-player, multiplayer and co-operative gameplay to both platforms. Targeted for release in September, "Crash Course" bridges the gap between the end of the "No Mercy" campaign and…
AldenEntitled "Crash Course," the latest DLC delivers new single-player, multiplayer and co-operative gameplay to both platforms. Targeted for release in September, "Crash Course" bridges the gap between the end of the "No Mercy" campaign and…
AldenIn case you missed it, here's a link to last Friday's blog post about Add-Ons, Matchmaking and Authoring Tools.
SZIn case you missed it, here's a link to last Friday's blog post about Add-Ons, Matchmaking and Authoring Tools.
SZWhen it came time to photograph the box art of L4D1, our art staff had three goals. One, there should be a hand in it somehow. Two, the hand should have a thumb bitten off, so customers would look at the four fingers remaining on the hand…
SZWhen it came time to photograph the box art of L4D1, our art staff had three goals. One, there should be a hand in it somehow. Two, the hand should have a thumb bitten off, so customers would look at the four fingers remaining on the hand…
SZSequel to Best-Selling Co-op Thriller Coming This Holiday Read the press release .
SZSequel to Best-Selling Co-op Thriller Coming This Holiday Read the press release.
SZWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | left4dead.exe | windows | ||
| Launch | hl2_osx | -game left4dead | macos |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG