Call of Duty: Warzone attracts over 6 million players in its first 24 hours
Activision's F2P military-themed shooter is off to a flying start
The fourth installment of Treyarch's Black Ops series might be the first Call of Duty to forgo single-player. But after a spate of less-than-fully-satisfying entries, putting full efforts behind multiplayer has paid off: Call of Duty: Black Ops 4 finds the perfect middle ground between classic COD and the "jetpack" era, reviving the franchise's fun in many ways.