Safer Skies
Destroy all the SAM trucks in the level in Chapter 6: Overwatch
4/15/2011
7:54:42 PM
Rare 33.6%
Stairway to Heaven
From the front door of the church, make it to the crow’s nest in 240 seconds in Chapter 5: Heartland
4/9/2011
9:50:18 AM
Rare 38.3%
Let 'em Burn
Don't kill any of the enemies that are on fire in Chapter 3: Fire Sale
4/3/2011
12:27:59 PM
Rare 39.5%
Distance Shooter
Score from outside the box with a player with the Distance Shooter Speciality
2/26/2011
4:39:49 PM
Common 60.5%
Overwatch
Complete a specific mission objective in "The Gang’s All Here"
1/22/2011
4:26:44 PM
Rare 17.0%