What is back for blood?

Back 4 Blood is an upcoming cooperative first-person shooter video game developed by Turtle Rock Studios and published by Warner Bros. Interactive Entertainment. It will be the spiritual successor to the Left 4 Dead series which was also developed by Turtle Rock Studios. Back 4 Blood is set to be released on October 12, 2021 for Microsoft Windows, PlayStation 4, PlayStation 5, Xbox One and Xbox Series X/S. The game will allow up to four players to work together to fight through hordes of zombies and various other mutated monsters, known as the Ridden. The gameplay will feature a card system called the "Game Director" that will alter the game's mechanics, enemy types, and objectives dynamically during gameplay. It will also include a competitive multiplayer mode, where players can select as Ridden and try to stop the survivors from completing their objectives.