It's also the first game pumped out by Treyarch since the first Black Ops game, which to date is the biggest selling entry in the COD series.īlack Ops 2, and by extension Treyarch, have a tough act to follow. Call Of Duty: Black Ops 2 is the sixth COD title to land with the seismic impact of a neutron bomb since COD 4: Modern Warfare turned Activision's FPS franchise into a global mega-seller.