Call of Duty: Warzone!" is the massive free-to-play combat arena which features Battle Royales, Resurgence and DMZ.

Featured in Call of Duty: World at War, Call of Duty: Black Ops, Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II, Call of Duty: Black Ops Cold War and Call of Duty: Vanguard is a hardcore version of Free-for-All. Same rules apply except players have 30% of normal health.