I know the content of the pack has been announced before, but it was unclear if the 360 Survival Pack would be for free as well.  This is great news for a great game.

http://kotaku.com/5151646/left-4-dead-survival-pack-will-be-free

Left 4 Dead Survival Pack Will Be Free

The recently announced Left 4 Dead Survival pack for the Xbox 360 and PC will be free, Valve announced today.

The pack, due this spring, introduces a new multiplayer game mode entitled, Survival, plus two complete campaigns for Versus Mode (Death Toll, Dead Air). A Critic's Choice Edition of the game will be heading to retail stores this spring, and will include access to all the content introduced in the L4D: Survival Pack.

Well played, Valve. Well played.

Check this out for a full run down of the pack.

omg can't wait since it's one of my favorite games
It's just awesome online

very nice---good job Valve

i wonder if this is a snub at the PlayStation crowd for all the fat joke?

Valve is truly an amazing development company. Thanks so much for making this free.

I haven't heard anything about the 360 patch. The pc has already had a few patches to correct some issues in versus. I hope they release the patch soon.

I wonder how long M$ will allow valve to do this? Makes me think that some developers charge money for maps and game modes with the excuse that MS made them do it.

I hope valve can keep up the free DLC for as long as possible.

Valve knows gamers.

It's the more believable story isn't it. Most people assume that right away without any confirmation.

Yeah, let's all keep calling him fat jokes in the PS forums so that us 360, PC guys get more free stuff.

Repeat the thread title 5 times :)..quickly.