Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
8/4/2010
12:12:23 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
8/4/2010
11:58:00 AM
Rare 39.8%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
8/4/2010
10:40:37 AM
Rare 30.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
8/3/2010
2:39:08 PM
Rare 45.1%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
8/3/2010
1:49:01 PM
Common 54.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
8/3/2010
1:13:34 PM
Common 57.6%
Frontiersman
Obtain Legendary rank in any Single Player Ambient Challenge.
8/1/2010
12:58:13 PM
Very Rare 7.9%
Austin Overpowered
Complete Twin Rocks, Pike's Basin, and Gaptooth Breach Hideouts in Single Player.
6/25/2010
3:29:11 PM
Rare 10.3%
Man of Honor / Chivalry's Dead
Attain highest Fame rank and either highest Honor rank or lowest Honor rank.
6/25/2010
3:20:56 PM
Very Rare 8.1%