Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
12/16/2009
2:56:29 PM
Ultra Rare 3.1%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/16/2009
2:04:05 PM
Rare 25.3%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/16/2009
1:34:56 PM
Common 54.5%
Steel Fist Expert
Kill five enemies in a row with a single punch, after softening them up with gunfire
12/6/2009
3:32:28 PM
Very Rare 5.9%
Grenade Hangman
Kill 10 enemies with grenades by aiming while hanging from a ledge
12/5/2009
7:18:38 PM
Very Rare 5.2%
