While not officialy announced yet, Deadlock has gathered over 127,000 concurrent users
, by Thibaut
Valve is sure taking its time to test and polish Deadlock, its new 6v6 multiplayer title. It works as follow: the only way to play the game is to be invited by an acquaintance to take part in the test phase.
According to SteamDB, the title has reached a peak of 172,256 concurrent users in the last few hours. For a game that's yet to be announced, there's a lot of hype.
Source: steamdb.info