Drive By
Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
7/17/2010
8:24:43 PM
Very Rare 8.1%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
5/30/2010
4:11:46 PM
Rare 33.0%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
3/31/2010
6:09:02 AM
Rare 12.6%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
3/7/2010
12:53:29 AM
Very Rare 5.8%
Arcade Rat
Clear Arcade Mode with 1 character on Medium or higher difficulty.
2/21/2010
3:42:14 AM
Rare 21.2%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
1/10/2010
12:41:15 AM
Rare 21.2%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/24/2009
4:37:05 PM
Rare 17.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/12/2009
10:57:54 PM
Rare 34.5%