Back 4 Blood Back 4 Blood is an online multiplayer first-person shooter game developed by Turtle Rock Studios and published by Warner Bros. Interactive Entertainment. It was released on October 12, 2021, for Windows, PlayStation 4, PlayStation 5, Xbox One and Xbox Series X/S. The game has been considered the spiritual successor to Left 4 Dead, as it is being developed by the creators of the original game, and features largely identical gameplay. The game was announced at The Game Awards 2020, and came nearly a decade after Turtle Rock Studios split from Valve (who published both Left 4 Dead titles and still owns the rights to the franchise) and re-established itself as an independent studio. Upon release, the game received favorable reviews. Latest News See All News No items found. Latest Images See All Images No items found. Latest Videos See All Videos No items found.