Call of Duty Black Ops 2 is delivered as Steam cd key after your purchase. Call of Duty Black Ops 2 activation and installation is done entirely on Steam. Internet connection is required. Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty Black Ops II propels players into a near future, 21st Century Cold War, where technology and weapons have converged to create a new generation of warfare. Buy Call of Duty Black Ops 2, go on adventure.