Call of Duty: Vanguard is a 2021 first-person shooter game developed by Sledgehammer Games and published by Activision.^[3][4] It was released on November 5 for PlayStation 4, PlayStation 5, Windows, Xbox One, and Xbox Series X/S.^[5] It serves as the 18th installment in the overall Call of Duty series. Vanguard establishes a storyline featuring the birth of the special forces to face an emerging threat at the end of the war during various theatres of World War II.