Experimental
Play 5 consecutive Online Head to Head Ranked matches using a different team
4/25/2010
4:22:37 PM
Rare 10.8%
Gutsy Call
Take an Online Head to Head Ranked match to extra time playing as a weaker team than your opponent
4/22/2010
7:40:11 AM
Rare 11.5%
Good Form
Play 5 consecutive Online Head to Head Ranked matches without losing
4/22/2010
5:46:16 AM
Rare 12.0%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
12/7/2009
5:12:23 PM
Rare 12.6%
Mix It Up!
Play in every discipline online (Pro Tour or Jam Session).
11/19/2009
12:30:14 AM
Ultra Rare 3.8%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
11/13/2009
3:10:51 AM
Rare 25.3%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
11/12/2009
2:02:15 AM
Rare 30.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/10/2009
8:24:55 AM
Rare 34.5%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/10/2009
8:10:37 AM
Rare 33.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/10/2009
5:52:22 AM
Rare 39.8%