This excludes quite a few portable and mobile games, including what is undoubtedly the worst sequel in franchise history. With several different developers working on entries set in different time periods, it's hard to express what binds the series other than Activision's logo. Despite that, fans looking through the many entries of the series can easily tell when Call of Duty is firing on all cylinders and when it takes the boots off the ground.īecause of the enormity of the series, this ranking will focus on the mainline entries and its console-exclusive shooters. Bursting onto the scene in 2003 with the PC-centric shooter that launched a thousand games based in World War 2, Call of Duty has been everywhere from the battlefields of Normandy to outer space and back again. The recent dawn of the Xbox Series X and PlayStation 5 marks the fourth console generation to feature Activision's Call of Dutyas a headline-grabbing franchise.