An Xbox Game Pass subscription is not necessary to play. Call of Duty: Warzone 2.0 falls under the free-to-play standards.

Good News: You Can Play Call of Duty For Free\n\n There are two ways that you can play Call of Duty for free, and they're both dramatically popular. Firstly, there's the Warzone ecosystem, which is made up of Call of Duty Warzone and Call of Duty Warzone 2.0.