Until Spiii completes his mod idea “LeftForTress” (playing as TF2 characters in L4D), I think this might be worth a look.
Who am I kidding? This Badwater Basin map for L4D2 looks genius!! We should definitely give it a go!
The following contains spoilers, so don’t watch much of it if you want to be surprised when playing the map.
You will need 7zip (or winrar) to unzip the downloaded file, then double click the .vpk to install (detailed instructions and troubleshooting here).
(via TF2.com)
Arrr… Left4Tress is no more than an idea, although a really good idea (imho). Who wouldn’t want to play survival with the engy+pyro+heavy+med team!