Down and Dirty
Complete "SOG" and "The Defector" on Veteran difficulty.
11/13/2010
2:11:32 PM
Ultra Rare 1.3%
Cold Warrior
Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.
11/13/2010
12:14:28 PM
Ultra Rare 1.7%
Unconventional Warfare
Use the explosive bolts to kill 30 enemies in the campaign.
11/13/2010
11:31:22 AM
Very Rare 8.9%
Vehicular Slaughter
Destroy all enemies on vehicles during the prison break.
11/13/2010
11:03:56 AM
Rare 18.5%
Insert Coin
Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.
11/13/2010
9:35:58 AM
Rare 36.9%
The Basics
Complete one of the missions you receive in the mission log.
10/30/2010
9:22:05 AM
Common 89.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
10/23/2010
2:40:58 PM
Common 57.6%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
10/23/2010
1:13:44 PM
Very Rare 5.6%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
10/23/2010
12:48:51 PM
Rare 34.5%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
10/23/2010
12:44:13 PM
Rare 15.2%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
10/16/2010
2:25:18 PM
Rare 30.0%