Cross for a Friend to score

Create a goal with a player with the Playmaker Speciality

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

Use the Grim Reaper to destroy the MG emplacement.

Complete "SOG" and "The Defector" on Veteran difficulty.

Use the explosive bolts to kill 30 enemies in the campaign.

In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.

Destroy all slingshot targets in 3 attempts.

Crack the code.

Break free from the torture chair.

Enter the Soviet relay station undetected.

Destroy all targets and structures while making your way up the river.

Escape the Past.