Drive By
Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
5/25/2010
7:43:58 PM
Very Rare 8.1%
Prisoner #627
Complete 'The Only Easy Day... Was Yesterday' and 'The Gulag' on Veteran Difficulty.
4/17/2010
7:58:09 AM
Ultra Rare 4.3%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
3/8/2010
1:13:00 AM
Rare 30.0%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
1/16/2010
7:05:40 AM
Common 57.6%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
10/17/2009
6:03:15 AM
Very Rare 9.7%