Underdog
Win an Online Head to Head Ranked match using a weaker team than your opponent
1/23/2010
9:52:50 AM
Rare 17.0%
Gutsy Call
Take an Online Head to Head Ranked match to extra time playing as a weaker team than your opponent
1/23/2010
8:40:16 AM
Rare 11.5%
Good Form
Play 5 consecutive Online Head to Head Ranked matches without losing
1/16/2010
6:03:33 PM
Rare 12.0%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
1/8/2010
7:50:32 PM
Rare 12.6%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
1/8/2010
12:17:20 AM
Rare 17.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
1/7/2010
11:14:38 PM
Rare 34.5%
Grind it Out
Win a match with 10 men Online or when playing on Professional difficulty or higher
12/17/2009
4:29:42 AM
Rare 32.2%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
11/26/2009
10:38:33 PM
Rare 25.3%
Bonecrusher
Make it into the Top 1000 on SP Leaderboards - Either Campaign
11/22/2009
10:34:12 PM
Very Rare 6.4%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
11/11/2009
9:58:41 PM
Rare 21.2%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/11/2009
4:11:32 PM
Rare 45.1%