Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
9/1/2010
2:35:27 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
9/1/2010
2:18:56 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
8/31/2010
2:52:12 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
8/31/2010
1:22:32 PM
Common 57.6%
Spurred to Victory
Complete 20 story missions without switching to a new horse at a hitching post.
5/24/2010
12:42:08 PM
Rare 12.4%
