Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Drive more than 194.7 miles.

Sell 5 vehicles to Mike Bruski at the scrapyard.

Complete "Overboard" Co-op map (Online/Offline).

Complete story mission 6.

Complete a specific mission objective in "The Gang’s All Here"

Complete any mission in the Single Missions chapter "Battle of Ruhr".

Kill the Tormenter

Get through the first Zero-G area

Use Quick Heal ten times (single player only)

Don't let enemy fighters destroy any bomber of your group in the mission "Attack on Lexington".

Bomb two different targets by one loadout in the mission "Second Wave".

Complete the American Historical campaign.