http://www.ign.com/articles/2014/01/07/left-4-dead-creators-turtle-rock-unveil-evolve?abthid=52cc2ea713ca21617200001b http://evolvegame.com/
In the February issue cover of Game Informer L4D creators Turtle Rock revealed their new title Evolve.
It will put four-player crew of alien hunters against a separate player controlled monster that increases in strength over a series of matches.
As a fan of L4D I am very excited for this