Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
7/20/2011
4:00:54 PM
Rare 15.2%
Oh, You've Done This Before
Take down 50 enemies by sticking them with a grenade.
6/27/2011
12:03:01 PM
Rare 14.3%
Earn your 'A' Class License
Awarded when you receive your 'A' Class License
6/25/2011
12:37:18 PM
Rare 23.3%
Road Kill
Take down 25 enemies while riding on the roof of a moving vehicle.
6/23/2011
7:24:14 PM
Rare 40.2%
Drop Everything
Thunder Drop for a total distance of at least 500 meters.
6/19/2011
4:04:30 PM
Rare 43.2%
Sally Likes Blood
Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.
6/15/2011
11:34:40 AM
Rare 34.9%