Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Complete 'Of Their Own Accord', 'Second Sun', and 'Whiskey Hotel' on Veteran Difficulty.

You have completed the story.

In Moon, become trapped in the Receiving Area and free yourself through resurrection in co-op.

Buy every weapon off the walls in a single Zombies game.

Complete the single player campaign on Hardened or Veteran Difficulty.

In Ascension, kill at least 5 zombies with 1 Gersh Device.

Destroy all enemies on vehicles during the prison break.

In Moon, prevent each excavator from breaching the base in one game.

In Moon, hack something.

Sabotage the Soviet space program.

You came first in 20 singleplayer street races.

Execute the plan to help the Americans.