Call of Duty: Warzone is a free, battle royale game developed by Raven Software and Infinity Ward. Released on March 10, 2020, for PS4, Windows and Xbox One, it was part of Call of Duty: Modern Warfare (2019) and was subsequently connected to 2020’s Call of Duty: Black Ops Cold War and 2021’s Call of Duty: Vanguard, but does not require purchase of any of the these titles.
The game featured three main modes, a Battle Royale mode, a Plunder mode, and a Resurgence mode added with the Season One of Black Ops Cold War.