Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
1/16/2010
4:50:42 PM
Rare 21.2%
Downed but Not Out
Kill 4 enemies in a row while downed in Special Ops.
12/30/2009
4:02:43 PM
Very Rare 5.8%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/1/2009
9:19:42 PM
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.
11/29/2009
5:19:26 PM
Rare 30.0%
Prisoner #627
Complete 'The Only Easy Day... Was Yesterday' and 'The Gulag' on Veteran Difficulty.
11/24/2009
4:58:46 PM
Ultra Rare 4.3%
Off the Grid
Complete 'Just Like Old Times' and 'Endgame' on Veteran Difficulty.
11/12/2009
2:31:47 AM
Ultra Rare 3.7%
The Price of War
Complete the single player campaign on Hardened or Veteran Difficulty.
11/12/2009
2:31:38 AM
Very Rare 5.8%
Queen takes Rook
Complete 'Loose Ends' and 'The Enemy of My Enemy' on Veteran Difficulty.
11/11/2009
9:25:07 AM
Ultra Rare 3.6%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/11/2009
9:25:02 AM
Rare 33.0%
Homecoming
Complete 'Of Their Own Accord', 'Second Sun', and 'Whiskey Hotel' on Veteran Difficulty.
11/11/2009
8:06:15 AM
Ultra Rare 3.9%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/8/2009
5:35:27 AM
Rare 39.8%
Red Dawn
Complete 'Wolverines!' and 'Exodus' on Veteran Difficulty.
11/8/2009
5:00:52 AM
Ultra Rare 4.4%
Turistas
Complete 'Takedown' and 'The Hornet's Nest' on Veteran Difficulty.
11/8/2009
4:21:42 AM
Ultra Rare 4.7%