Call of Duty Black Ops 7 (BO7) will be available for a limited-time free trial from December 16 to 22. During the free trial period, users get access to select BO7 multiplayer modes and over 20 multiplayer maps, including the remastered 'Nuketown 2025'. The trial also includes access to the Zombies mode, along with the 'Ashes of the Damned' mission.