Use a future weapon in the past.

Crack the celerium worm.

Reinforcements on the way.

There are two futures.

Complete all challenges in Black Ops II.

Complete the game on any difficulty.

Kill 2 enemies by blowing up a car in the single player campaign.

Carry Cpt. MacMillan to safety.

Survive a dog attack.

Kill 20 enemies with explosives in a single level.

Operate an AC-130 gun ship.

Protect 'War Pig', the Abrams tank.