Senior Commander
Earn 5 or more Stars on a song in Career or Quickplay
6/18/2010
8:40:55 PM
Common 69.5%
Long Arm of Marston
Kill 500 enemies with any rifle, repeater, or shotgun in any game mode.
6/17/2010
10:29:51 AM
Rare 28.9%
The Gunslinger
Score a headshot on any enemy using Expert targeting mode.
5/20/2010
5:31:01 PM
Very Rare 6.6%
Breaking the Ice
Complete Chapter 8 on any difficulty setting (Story Mode).
5/12/2010
2:06:09 PM
Rare 22.7%
Uninvited Guest
Complete Chapter 7 on any difficulty setting (Story Mode).
5/12/2010
1:21:54 PM
Rare 26.3%
