Campaign Complete: Normal
Complete all the campaign missions on Normal difficulty.
8/14/2009
3:50:22 PM
Rare 28.5%
Operation Twilight
Unlock and finish the 18th mission of the Campaign on Normal, Hard, or Elite.
8/14/2009
3:44:19 PM
Rare 28.8%
Operation Javelin
Unlock and finish the 17th mission of the Campaign on Normal, Hard, or Elite.
8/14/2009
3:24:41 PM
Rare 29.9%
