You won't see a new Left 4 Dead game anytime soon, and Valve might not ever release one. It explored the possibility several years ago, but now the publisher-developer wants to make it clear that there isn't a next-generation installment in development.
Rumors suggested that Valve would release a virtual reality-based installment. Alleged concept art leaked on YouTube a few days ago, and then HTC Vive's Alvin Wang Graylin shared slides referring to "L4D3." Valve collaborates with HTC on the Vive platform , with the rumor mill generating plenty of hype, Valve felt the need to step in and confirm that Left 4 Dead 3 does not exist.
Valve understands that fans desire a new Left 4 Dead game and blames that long-held feeling for all the misinformation.
In a statement to IGN, Valve denied any active development. "We've seen rumors to this effect for the last couple of months," a spokesperson said. "We did briefly explore some Left 4 Dead next-gen opportunities a few years ago. But we are absolutely not working on anything L4D-related now, and haven't for years."
The Left 4 Dead franchise hasn't earned any attention in seven years. Valve introduced the first game in 2008, and a second was released a year later. Valve then rolled out downloadable content through Left 4 Dead 2, but fans expected Left 4 Dead 3 and other installments on the PlayStation 4 and Xbox One. Now, they may never get another sequel.
Valve will, however, release new Dota and Half-Life games this year. Dota Underlords arrives in February, and then VR-based Half-Life: Alyx follows in March. Beyond that, Valve's pipeline doesn't include any confirmed games. So it could spend more time developing downloadable content, or there might be some unannounced titles in development that'll get announced at a later date.