Call of Duty: Black Ops 4 is a multiplayer first-person shooter. Black Ops 4 is the first Call of Duty title without a traditional single-player campaign mode. Instead, it features the Solo Missions mode.
In the year 2043, during a covert mission involving a mercenary group, Jessica Mason-Green, a US Army Specialist is presumably killed while her two squad mates, escape with critical injuries. Two years later, Savannah Mason-Meyer, a trillionaire researcher and Jessica's sister, recruits ten of the world's most elite soldiers, including Ruin and Battery, for a top-secret project against an unknown threat.