
Call of Duty: Black Ops differs from most previous installments, which would involve a usual three-country campaign while Call of Duty: Black Ops features
two playable countries (Russia and the USA), but only has an American
campaign. Players play from the perspective of Captain Alex Mason of the MACV-SOG, Jason Hudson of the CIA, and Russian-born soldier Viktor Reznov
of the Red Army. The game also introduced several new features,...