Rack up a body count of 20 NVA using air support in Hue City.

Break the siege in the battle of Khe Sanh.

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

Escape Vorkuta.

Take down Castro with a headshot.

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

Score off the post or cross bar in a match

Create a Virtual Pro

Kill 50 enemies with the M4

Kill 50 enemies with the 92FS - 9mm

Kill 100 enemies with headshots

Kill five enemies in a row with headshots

Pull over while the police are in 'pull over' mode, then drive away during the ticketing cutscene.