The official trailer for The Last Stand Update, coming to PC on September 24th.

It is official, this is the new content Left 4 Dead 2 will be receiving - but this is still not all! There will also be 30 new achievements, 2 brand new mutations and a plethora of bug and exploit fixes as well!
This update is a collaborative effort of 30+ community members working together with Valve over the course of 11 months to create new content for this beloved game, which will be available to all PC players as free DLC.

Trailer designed by JAiZ: https://www.youtube.com/c/JAiZYouTube/videos
SFM segment animated by zeekrocz117: https://www.youtube.com/user/zeekrocz117/videos

Want to hang out with the community update team? Come chat with them on the L4DNation Discord: https://discord.gg/s9G9hWk
Want to get more into survival mode but don't know where to start? Check out the Top 10's group on Steam: https://steamcommunity.com/groups/L4DSurvivalGroup