C-Section
Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up
5/5/2011
5:35:50 AM
Rare 11.3%
Pathfinder
Guide the squad through the Soviet outpost without them getting killed.
4/29/2011
12:06:57 PM
Very Rare 6.0%
Lord Nelson
Destroy all targets and structures while making your way up the river.
4/29/2011
11:29:01 AM
Rare 10.3%
BLACK OP MASTER
Complete the campaign on Hardened or Veteran difficulty.
4/25/2011
5:03:08 PM
Ultra Rare 2.3%
Unconventional Warfare
Use the explosive bolts to kill 30 enemies in the campaign.
4/25/2011
7:33:41 AM
Very Rare 8.9%
Multiplayer: Forward Spotter
Deploy a missile strike support action (awarded at end of round)
3/14/2011
12:51:44 PM
Rare 12.5%