First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
8/15/2010
9:32:10 AM
Very Rare 7.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
8/15/2010
9:20:46 AM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
8/15/2010
9:19:26 AM
Common 54.5%