Left 4 dead

[sharpygsxr]

theres a thread on that very subject here on the official forums, may be of help to ya

http://forums.steampowered.com/forums/showthread.php?t=745113

 

[Raikiri]

Yeah I just found that, cheers for the info it worked a treat

 

[aob]

For stats on how many players are currently online:

Follow this link and click the "View Steam players per game" at the bottom of the page, that'll show ya how many people are currently playing each game including L4D!

http://store.steampowered.com/stats/

About 12K people playing now, which is currently more than TF2