Call of Duty: Warzone 2.0\n\n The full game is free to play, though players can buy Season Passes to acquire rewards such as new weapons and Operators. Players can progress through each Battle Pass through Warzone 2.0 and/or Modern Warfare 2.
An Xbox Game Pass subscription is not necessary to play. Call of Duty: Warzone 2.0 falls under the free-to-play standards.