The Price of War
Complete the single player campaign on Hardened or Veteran Difficulty.
12/14/2009
9:51:46 PM
Very Rare 5.8%
Drive By
Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops.
12/14/2009
9:45:14 PM
Very Rare 8.1%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
12/14/2009
2:38:30 AM
Rare 25.3%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
12/14/2009
2:34:08 AM
Rare 33.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/4/2009
12:53:05 AM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
Missing Timestamp
Common 57.6%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
Missing Timestamp
Rare 21.2%