Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/27/2009
5:31:47 PM
Rare 34.5%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
11/27/2009
4:53:08 PM
Common 54.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/27/2009
4:53:01 PM
Common 57.6%
Opera isn't for everyone
In Opera House, move through backstage without alerting the guards.
10/20/2009
1:47:48 PM
Rare 17.1%
