Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/25/2009
4:28:31 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/25/2009
2:09:00 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.
12/25/2009
2:04:27 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.
12/25/2009
1:46:37 PM
Common 54.5%
Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
12/6/2009
1:13:17 AM
Very Rare 5.6%
Socialite
Complete a level online with 3 other players who are not on your friends list
11/22/2009
2:10:40 AM
Rare 18.0%
