Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
1/16/2011
11:23:19 AM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/6/2010
3:34:36 AM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/5/2010
6:59:03 PM
Common 57.6%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/5/2010
6:36:11 PM
Rare 25.3%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/5/2010
5:56:33 PM
Common 54.5%
Drive-By
Kill a total of 5 enemies while horseback (ranked play counts).
12/5/2010
3:18:16 PM
Rare 38.9%
Sharpshooter Distraction
On chapter IV, playing as Ray, kill sharpshooters without Thomas' help.
12/4/2010
11:38:38 PM
Rare 22.5%
Treasure Collector
Discover half of all the Umbra Witches' final resting places.
11/19/2010
11:32:55 PM
Rare 40.8%
Upgraded a Weapon
The player has acquired at least one weapon upgrade
10/31/2010
6:38:16 PM
Common 51.3%