PC Gamer
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title="Permanent Link to Payday devs working with Valve on “In-depth” Left 4 Dead crossover">Left 4 Dead 2



In many ways, Payday: The Heist is very similar to Left 4 Dead. You team up with three friends, you fend off hordes of enemies and try to stay alive. But, in a few important ways, they're very different. In Left 4 Dead, a throng of zombies are trying to keep you out of a safe room, in Payday, you rob banks, take hostages and mow down legions of cops. According to a post on the Overkill blog, spotted by VG247, the Payday devs are working with Valve on a collaboration that will bring both concepts together.



"We are excited to be able to confirm that an in-depth collaboration between OVERKILL and Valve is currently in production." says Overkill director Ulf Andersson. "We are working on a very cool blend of PAYDAY and Left 4 Dead."



A "cool blend," eh. Time to indiscriminately mash Left 4 Dead and Payday's premises together until something works. Zombies robbing a bank? Survivors robbing a zombie bank? Tanks robbing a bank? Crims robbing a bank staffed by Tanks? This isn't working. What do you think it'll be?
Shacknews - Alice O'Connor

It's all go at Payday: The Heist developer Overkill Software these days. As well as working on a sequel and DLC for its coop crime caper FPS, and being acquired by Starbreeze Studios, the Swedes have revealed they're working with Valve on something Left 4 Dead-y.

"We are excited to be able to confirm that an in-depth collaboration between Overkill and Valve is currently in production," Overkill game director Ulf Andersson said in a statement (via VG247).

"We are working on a very cool blend of Payday and Left 4 Dead. I am sure it is so exciting that it will have some players check into the hospital before we are done."

As for what this'll actually be, who knows? Payday clearly took a few hints from Valve's zombie 'em up, so it wouldn't be too jarring for the worlds to collide. Valve characters often make appearances in other games, but that probably wouldn't meet the "in-depth" requirement. Might that mention of the hospital be a cheeky nod to Left 4 Dead's 'No Mercy' campaign, set around an overrun hospital?

The original group of Starbreeze has three projects in the works itself.

May 4, 2012
L4D Blog
< img src='http://www.l4d.com/blog/images/posts/038/followliter.jpg'>

Follow the Liter, Infection!



Follow the Liter

Scavenge one can at a time.



No more fighting over what cans to grab first. This Mutation spawns only one group of cans at a time, so survivors know exactly where to go. There is only one problem: the Infected know exactly where they are going.



This presents a different strategy from regular Scavenge mode and actually tips match in favor of the Infected.
Kotaku

Looks Like Left 4 Dead 2 is Running Officially on LinuxWhen tech guru and Linux fan Michael Larabel visited Valve yesterday, he promised more info and pics than simply saying Steam was coming to Linux. Looks like he's come through.



Larabel has posted images of Left 4 Dead 2 running natively on Linux, and says a release of Steam itself - likely in the form of a beta at first - should be later this year.



In addition to Left 4 Dead 2, selected because of its "stable code base", he says Valve will be bringing other titles to the platform as well.



We're still waiting to hear back from Valve for an official comment on the matter.



Valve's Gabe Newell Talks Linux Steam Client, Source Engine [Phoronix]


Shacknews - Jeff Mattas

It seems like Valve is committed to bringing its prized digital distribution service Steam to Linux users at some point in the relatively near future. Recent news indicates that Valve has not only hired Linux developers to help port Steam and the Source engine to the OS, but Valve's Gabe Newell is now overseeing the port.

Phronoix.com's Michael Larabel recently spoke with Newell about the porting process, and claims that Steam will become available for Linux in the next few months.

"Gabe's vision to support, embrace, and promote Linux are amazing, assuming they execute, which looks to be very high probability at this point," Larabel said. He goes on to state that although Linux development has been going on at Valve for some time, Newell's personal involvement in the project (including relocating his desk to the Valve Linux Development camp), bodes well for the project reaching critical mass more quickly.

As far as the Source Engine port goes, Left 4 Dead 2 is being used as the test case, largely due to the solid nature of the game's code. Despite a few snags, Larabel asserts that the project is moving along at a good clip, and notes that the developer's flat management structure is at least partly responsible for contributing to delays in the port's development.

Larabel also claims that Newell isn't a big fan of the nearly ubiquitous operating systems like Windows or OSX, or the upcoming Windows 8, in particular. "His level of Linux interest and commitment was incredible while his negativity for Windows 8 and the future of Microsoft was stunning," Larabel said of his meeting with Newell.

While it's reasonable to assume that a number of folks will be excited about finally getting some Steam in their Linux, the port of the OS could have larger implications. For example, one needs only look as far as the news that Valve has been exploring the possibility of creating some new gaming hardware and wearable computers.

Apr 20, 2012
L4D Blog
Today we have released a pretty big update for Left 4 Dead 2 that includes map bug and exploits fixes. The complete list is here.



These changes will be coming to the Xbox 360 with the title update that will accompany Cold Stream’s release. Before we send the game off to certification, we want to test these fixes on the PC. So please, give these maps a play through and tell us what you think.



The Cold Stream DLC will include 21 maps in total - the Cold Stream, Blood Harvest, Crash Course, Dead Air, and Death Toll campaigns. Besides the massive amount of new content, 360 users will also be getting many of the bug fixes and changes we have implemented since the last update.



We don’t have a release date yet, but we will make sure to post the minute we do.


Apr 19, 2012
Product Update - Valve
Today's update includes fixes that will be coming to the Xbox 360 in a future update.

Dead Center:
The Hotel:
- Made dropping between the top two floors much more difficult.

The Atrium:
-Survivors should no longer be able to jump onto the vending machines near the start of the map, as AI infected could not see or path to this area.
-Blocked Survivors being able to stand on the map placard, as this was a spot where infected could not path to.

Dark Carnival:
The Highway:
-Survivors should no longer be able to jump on top the truck near the ending saferoom, as AI infected are unable to attack survivors there.

The Fairgrounds:
-Survivors can no longer climb on top of an early set of generator lights.
-Made dumpster near the first warehouse session into a static prop to prevent grief blocking map progress.
-The forklift near the entrance to the building leading to the silly slide has been removed.
-Blocked survivors being able to stand on a maintenance structure near the back wall by the carousel, as AI infected were unable to see survivors if they zombie-hopped their way up there.
-Blocked top of the back wall next to above for the same reason.
-Blocked a hop up on a light post base where survivors in VS could glitch their way to 100% map completion.

The Coaster:
-Blocked access to a stuck spot behind some stairs in the swan maintenance room.
-Blocked survivors being able to jump on the shelf next to the stuck spot. Infected were unable to see survivors standing there.
-Blocked being able to climb into the shelved swan in maintenance, as infected could not see survivors that were there. Additionally, it is very difficult to get out of it this swan once you're in.
-Blocked access to the top of the truck just outside of the coaster area for survivors.
-Blocked survivors from jumping on to several electric box props shortly before the coaster event, which could be used as invincible spots.
-Blocked a method of climbing and skipping the roller coaster event start.

The Barns:
-Blocked survivors being able to be knocked into the infected-only trash area next to the covered picnic area near the start. Players knocked over this fence could not make it back.

The Concert:
-Blocked survivor access to the windows above the concert to remove an invincible spot.


SWAMP FEVER:
Plank Country:
-Added a bunch of dock props to break up a pair of invincible spots at the ferry panic event.

The Swamp:
-Skipping the airplane event should now be much more difficult.


HARD RAIN:
The Sugar Mill:
-Blocked a hop-up onto some pipe-work that allowed survivors to skip the conveyor belt section.
-Blocked access to a very tiny ledge opposite the elevator at the holdout event, which was an invinicble spot.

Mill Escape:
-Blocked survivors being able to jump onto the roofs near the start which allowed them to avoid the sugar cane field altogether.

Town Escape:
-Added a props to block access to a table in the restaurant, which was an invincible spot.
-Blocked survivors being able to climb on top of the generator, another invincible spot.
-Removed an invincible spot off the dock.


THE PARISH:
The Waterfront:
-Added a few props for infected to climb out from a garden area behind a wall, which had previously been inescapable.

The Park:
-Blocked survivors from jumping on to the generator and the tops of the metal fences just after the park area, removing an invincible spot.
-Blocked access to an out-of-map exploit area which was reachable by climbing an electrical box prop.

The Cemetery:
-Blocked survivors getting on top of the white trucks near the end of the alarmed car lot, as these were invincible spots.
-Blocked survivors from jumping the fence from the shed into inescapable infected-only territory following the bridge explosion.
-Blocked players following the highway to the end of the map, which led to a spot where players could get under the map.

The Quarter:
-Blocked being able to hop back up a one-way drop following the pool hall.
-Blocked survivor access to the landing exiting the parade float event zone until the event itself has been started.
-Blocked player infected from perching in a high window in the ending safe room, which could prevent a VS round from ending.


THE PASSING:
The Riverbank:
-Block infected ghost players in VS from getting under the map by crossing the bridge at the start.
-Block infected from leaving map bounds by going beyond the first area, and slipping past the water kill brush.
-Block survivors jumping the fence just after the first interior, allowing them to leave the map bounds.
-Block an out-of-map exploit near the wedding party area.
-Block an infected out-of-map exploit near the safe room.

The Port:
-Survivors will no longer be able to stand on the indoor generator and access rooftop areas.

THE SACRIFICE:
The Port:
-Survivors will no longer be able to stand on the indoor generator and access the rooftop areas.

NO MERCY:
The Apartments:
-Adjusted player blocker for the corner drop safe-landing at the start to be slightly larger.
-Added blockers to both air conditioning units near the start to prevent survivors from using them to skip the apartments.

COLD STREAM:
Cut-Throat Creek:
-Fixed a stuck spot in the rocks above the river tank fight.
Community Announcements - the gish
Last Man On Earth
You will become legend to the infected as the last human left.

You are the only Survivor left in the world. No split screen help. No Survivor bots. But don't worry you aren't entirely alone. While there are no common Infected, Special Infected will hunt you down and become close, close friends with you.

Loners?
While the first part of this blog post should make the results of our last poll obvious, the second place finisher is just as interesting. Between Lone Gunman and "scared to play alone," seems about 30% of you are "scared to play alone" – putting that choice in second place. With that being true, today is a great day to overcome that fear and play Left 4 Dead 2 alone with Last Man On Earth.

After all, it is Friday the 13th, what could happen?
Product Update - Valve
Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Next Mutation: Last Man on Earth
L4D Blog



Last Man On Earth

You will become legend to the infected as the last human left.



You are the only Survivor left in the world. No split screen help. No Survivor bots. But don't worry you aren't entirely alone. While there are no common Infected, Special Infected will hunt you down and become close, close friends with you.



Loners?

While the first part of this blog post should make the results of our last poll obvious, the second place finisher is just as interesting. Between Lone Gunman and "scared to play alone," seems about 30% of you are "scared to play alone" – putting that choice in second place. With that being true, today is a great day to overcome that fear and play Left 4 Dead 2 alone with Last Man On Earth.



After all, it is Friday the 13th, what could happen?

...