Tech ‘Call of Duty: Vanguard’: Video game leverages unique strategy to tell a different story from WWII October 15, 2021November 5, 2021Mike Snider, USA TODAYComments Off on ‘Call of Duty: Vanguard’: Video game leverages unique strategy to tell a different story from WWII With "Call of Duty: Vanguard," the Activision-owned studio Sledgehammer Games sought to provide a diverse, inclusive WWII video game experience.