Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
4/26/2011
7:37:40 PM
Common 54.5%
Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
4/21/2011
7:45:48 PM
Ultra Rare 3.1%
Queen takes Rook
Complete 'Loose Ends' and 'The Enemy of My Enemy' on Veteran Difficulty.
1/28/2011
11:00:51 AM
Ultra Rare 3.6%
I Like Those Odds
As a Hero, defeat 4 Elites within 40 seconds without using melee in multiplayer
12/7/2010
7:16:55 AM
Ultra Rare 0.9%
Killing Joke
Reach max level with the Joker faction in multiplayer
10/31/2010
8:41:47 AM
Ultra Rare 0.8%
Colonel Sanderson
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
10/15/2010
4:19:22 AM
Very Rare 6.8%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
9/4/2010
9:56:07 AM
Rare 30.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
9/4/2010
2:54:15 AM
Rare 45.1%
