Back 4 Blood is a cooperative first-person shooter video game developed by Turtle Rock Studios and published by Warner Bros. Interactive Entertainment. Released in October 2021, it is a spiritual successor to the critically acclaimed Left 4 Dead series. The game focuses on a post-apocalyptic world where players fight against hordes of zombie-like creatures called the Ridden. Players work together in teams of four to complete various missions, utilizing an arsenal of weapons and special abilities. The game features a campaign mode and a competitive multiplayer mode, providing a myriad of challenges and replayability for its players.