Call of Duty: Black Ops II is a first-person shooter video game. It is the second installment in Call of Duty's Black Ops series, a direct sequel to 2010's Call of Duty: Black Ops, and the ninth Call of Duty game. It was developed by Treyarch and published by Activision.
I haven't had the game long and have only been playing online multiplayer so far. I just earned the Dragonfire scorestreak but I dont know how to use it. Everytime I tried with the conventional method ...
Completing 2 challenges during a campaign mission awards an unlock. Are there any rewards for completing more than 2 challenges?