It seems that was only half true: because while they are back, they definitely aren’t working on anything new: because it was just announced in a very rudimentary way that their next game will be Back 4 Blood, which is basically Left 4 Dead 3, but as a new IP.
Warner Bros. Interactive Entertainment and Turtle Rock Studios today announced Back 4 Blood, from the creators and development team behind the critically acclaimed, co-op phenomenon Left 4 Dead. Back 4 Blood is designed from the ground-up as an original, premium title and marries the best of what made the co-op zombie shooter so successful with new features and state-of-the-art technology.
I gotta admit, while I’m not exactly “excited” for Back 4 Blood, I am happy to see it coming around. Ever since the most recent Walking Dead game turned out to be a total bust, and Valve basically stopped making video games, we could use a return to the good ol’ fashion co-op goodness of L4D. May as well come to us from the folks who basically created the formula.
That said, there’s a whole lot we don’t know about this project. Instead of screenshots or a trailer, all we have to work with is an FAQ from their community manager, which is basically a whole bunch of questions with one answer: “We’ll tell you later”.
However, they did confirm that they’re focusing on a PC, Xbox One, and PS4 release. So it’ll be current gen at the very least. They also said there won’t be a battle royale mode, but there will be PvP and a campaign. So… it's basically L4D3 in everything but name.
But like I said, that’s not strictly a bad thing.