Reach wanted level (2) Suspect as a Racer

Fill the Nitrous bar then use it all in one go without hitting anything

You killed a Rockstar in multiplayer.

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

Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

Crack the code.

Find the Soviet connection in Laos.

Escape the Past.

Retrieve the dossier and the defector from Hue City.

Kill 10 NVA with Dragon's Breath rounds.

Sabotage the Soviet space program.

Escape Vorkuta.