No Stone Unturned
Win 5 missions without using Mission Support in "World War III".
4/6/2011
9:39:31 PM
Rare 16.5%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
3/19/2011
3:43:40 PM
Ultra Rare 4.7%
Blue Ribbon
Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)
3/18/2011
7:50:28 PM
Very Rare 5.2%
Get Your Right Foot Wet
Complete a match in Competitive Co-Op mode. (Online co-op only)
3/18/2011
7:50:23 PM
Rare 16.8%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
2/25/2011
2:08:35 AM
Rare 45.1%
Pathfinder
Guide the squad through the Soviet outpost without them getting killed.
1/21/2011
9:52:33 PM
Very Rare 6.0%
Insert Coin
Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.
1/18/2011
11:49:43 PM
Rare 36.9%
Stabbed in the Heart
Complete all missions on the Eastern Front on any difficulty. (Solo only)
1/17/2011
8:59:09 PM
Rare 29.0%
The Last Stand
Survive the conflict in Okinawa on any difficulty. (Solo only)
1/9/2011
6:13:20 PM
Rare 32.2%