Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
2/4/2011
6:29:18 PM
Rare 28.0%
Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
2/4/2011
12:24:35 AM
Rare 30.7%
Sally Likes Blood
Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.
11/12/2010
5:34:53 PM
Rare 34.9%
Insert Coin
Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.
11/12/2010
5:01:11 PM
Rare 36.9%
Pathfinder
Guide the squad through the Soviet outpost without them getting killed.
11/11/2010
11:37:54 AM
Very Rare 6.0%
Frag Master
Kill 5 enemies with a single frag grenade in the campaign.
11/10/2010
6:19:36 PM
Ultra Rare 3.2%