Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
7/25/2010
10:10:49 PM
Rare 34.5%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
7/25/2010
10:03:32 PM
Rare 33.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
7/24/2010
12:45:17 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
7/24/2010
12:01:32 PM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
7/24/2010
11:34:25 AM
Common 54.5%
Frontiersman
Obtain Legendary rank in any Single Player Ambient Challenge.
6/17/2010
5:20:10 PM
Very Rare 7.9%
The Benefits of Civilization
Complete "And the Truth Will Set You Free".
6/16/2010
6:11:11 PM
Rare 22.6%
