Lets get real here,
we all know valve have been making games whatever they are, but other than, all we've know is that they are under production
valve also has a history of scrapping games so whenever I find any minimal news, it doesn't really hype me up all that much
cause the project may very...
If I don't remember wrong we had the jira database leaks with l4d3 in it, and the more convincing evidence in Valve-Pipeline's
"Andrea Wicklund's Lobster Hunter" where we could clearly see concept art and this is already a year before the video was posted
(there are a couple of more things...
I just found this
sauce: http://www.egx.net/rezzed/2015/sessions
And its scheduled for the 13th with the content safe guarded,
whatever it is i would suspect seeing some sort of an announcement on gdc
*totally not the hype train in the background*