Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
5/14/2011
9:01:56 AM
Rare 31.6%
Team Building
Complete all test chambers in the Team Building co-op course
5/14/2011
8:07:05 AM
Rare 46.8%
Vehicular Slaughter
Destroy all enemies on vehicles during the prison break.
5/14/2011
12:59:58 AM
Rare 18.5%
Soft Targets
Destroy all vehicles using the UAV in Chapter 7: Golden Gate
5/7/2011
8:15:04 AM
Rare 32.8%
Fatal and Tragic
Jump off the Golden Gate Bridge in Chapter 7: Golden Gate
5/7/2011
7:55:17 AM
Rare 12.2%
Safer Skies
Destroy all the SAM trucks in the level in Chapter 6: Overwatch
5/7/2011
7:20:37 AM
Rare 33.6%
Let 'em Burn
Don't kill any of the enemies that are on fire in Chapter 3: Fire Sale
5/7/2011
5:34:05 AM
Rare 39.5%
