Grind it Out
Win a match with 10 men Online or when playing on Professional difficulty or higher
11/25/2009
9:42:51 AM
Rare 32.2%
Good Form
Play 5 consecutive Online Head to Head Ranked matches without losing
11/22/2009
8:53:25 PM
Rare 12.0%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/18/2009
2:00:06 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.
11/18/2009
1:06:49 AM
Common 54.5%