First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
11/11/2009
11:59:08 PM
Very Rare 7.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/11/2009
11:52:36 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.
11/11/2009
11:45:06 PM
Common 54.5%
Socialite
Complete a level online with 3 other players who are not on your friends list
9/23/2009
2:21:38 AM
Rare 18.0%
