Underdog
Win an Online Head to Head Ranked match using a weaker team than your opponent
12/21/2009
9:14:27 PM
Rare 17.0%
Gutsy Call
Take an Online Head to Head Ranked match to extra time playing as a weaker team than your opponent
12/21/2009
9:14:20 PM
Rare 11.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/3/2009
6:24:30 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.
12/3/2009
6:22:13 PM
Rare 25.3%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
12/2/2009
8:05:38 PM
Rare 21.2%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
12/2/2009
7:46:44 PM
Common 54.5%
Experimental
Play 5 consecutive Online Head to Head Ranked matches using a different team
11/27/2009
10:30:43 PM
Rare 10.8%
Good Form
Play 5 consecutive Online Head to Head Ranked matches without losing
11/12/2009
7:23:11 PM
Rare 12.0%
Fashion Sense
Choose a costume for your sackperson with at least one item on your head, at least one item on your body, and a material
10/28/2009
7:24:02 PM
Common 86.3%
Grind it Out
Win a match with 10 men Online or when playing on Professional difficulty or higher
10/5/2009
7:12:53 PM
Rare 32.2%