Black Ops 3 is arguably the longest Call of Duty game. Most people report finishing the main story in about nine hours, which is certainly a respectable amount of time for a first-person shooter that releases just about annually.

Characters and Setting\n\n Black Ops II begins in the year 2025, where China and the United States are in a cold war after China stops exporting rare earth elements. In this future setting, militaries use robotic weaponry, cyberwarfare, unmanned vehicles and futuristic technology.