For Whom the Shell Tolls
Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."
9/7/2012
3:54:57 PM
Ultra Rare 4.6%
Flight Attendant
Kill all 5 enemies during the zero-g sequence in "Turbulence."
9/7/2012
3:28:36 PM
Ultra Rare 2.4%
This Is My Boomstick
Kill 30 enemies with the XM25 in "Black Tuesday."
9/7/2012
2:48:43 PM
Ultra Rare 3.6%
Triumvirate
Kill the three end bosses in Chapter 5 (Harry Flynn, Eddy Raja, Zoran Lazarevic) within 20 seconds of each other on Crushing
8/28/2012
11:02:51 AM
Ultra Rare 0.1%
Omnipotent
Complete a Co-op Adventure Map on Crushing Difficulty without losing a single life
8/17/2012
10:46:17 PM
Ultra Rare 0.2%
Fly on the Wall
Get 3 Hang In There Medals while on Crushing Difficulty
8/14/2012
7:15:47 PM
Ultra Rare 0.2%