Lucifer's Accountant
Beat any song with a final score which is evenly divisible by 6 (Quickplay+)
10/10/2010
2:32:36 AM
Common 62.7%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
5/16/2010
6:50:11 AM
Rare 25.3%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
3/26/2010
6:06:14 PM
Rare 21.2%
Old Faithful
Kill 400 enemies with assault rifles, submachine guns or shotguns
2/22/2010
11:12:01 PM
Rare 43.1%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/27/2009
9:08:07 AM
Rare 17.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/27/2009
9:07:06 AM
Rare 34.5%
Score Bigger
Earn 1,000,000 points in a single song as a solo act or band
12/27/2009
2:27:26 AM
Very Rare 5.9%
Senior Commander
Earn 5 or more Stars on a song in Career or Quickplay
12/27/2009
2:00:37 AM
Common 69.5%