Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
3/4/2010
7:09:55 PM
Common 54.5%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
3/3/2010
8:52:02 PM
Rare 12.6%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
3/3/2010
2:29:57 PM
Rare 25.3%
First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
3/3/2010
2:20:04 PM
Very Rare 7.1%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
3/2/2010
8:19:07 PM
Rare 15.2%
That's How We Roll!
You unlocked the special ability of Brucie's helicopter ride.
3/1/2010
7:23:49 PM
Ultra Rare 2.7%
Retail Therapy
You unlocked the special ability of buying guns from Little Jacob.
3/1/2010
5:40:21 PM
Very Rare 5.3%
Top Of The Food Chain
You successfully killed 20 players with a pistol in a deathmatch.
2/26/2010
9:02:21 PM
Ultra Rare 1.3%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
2/24/2010
1:36:53 PM
Rare 34.5%
Colonel Sanderson
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
2/24/2010
12:55:33 AM
Very Rare 6.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
2/24/2010
12:21:48 AM
Rare 45.1%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
2/24/2010
12:11:01 AM
Rare 39.8%