Pincushion
Get 50 kills with the Hedgehog in the single player Campaign.
3/20/2010
10:38:32 PM
Very Rare 8.5%
For Close Encounters
Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.
3/20/2010
7:58:44 PM
Rare 22.1%
Talk To The Hand
Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.
3/20/2010
4:23:37 PM
Rare 38.5%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
3/7/2010
5:56:32 PM
Rare 17.0%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
3/7/2010
5:53:04 PM
Rare 12.6%
The Price of War
Complete the single player campaign on Hardened or Veteran Difficulty.
2/21/2010
9:36:18 PM
Very Rare 5.8%
Seriously Good At This
The player has completed the game on the Hard difficulty setting
2/9/2010
10:20:10 PM
Ultra Rare 4.8%
