Freefall for the longest possible time. (The Ballad of Gay Tony)

You completed all 10 package delivery jobs.

Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.

You completed a 500 foot wheelie on a motorbike.

You completed the mission "Roman's Sorrow".

In Call of the Dead, cut the lights on the Director.

Break the siege in the battle of Khe Sanh.

Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.

In Moon, acquire 3 pack-a-punched weapons at the same time.

You collected every hidden package in the game.

Infiltrate the snowy mountain side base.

Receive orders from Lancer.