Survivor
Reach Wave 10 in each mission of Special Ops Survival mode.
2/27/2012
2:56:37 PM
Ultra Rare 1.8%
Flight Attendant
Kill all 5 enemies during the zero-g sequence in "Turbulence."
2/24/2012
6:16:17 PM
Ultra Rare 2.4%
Get Rich or Die Trying
Have $50,000 current balance in a Special Ops Survival game.
2/23/2012
5:57:22 PM
Ultra Rare 3.3%
Danger Close
Take down a chopper with an AC-130 smoke grenade in "Bag and Drag."
1/16/2012
5:48:38 PM
Very Rare 8.1%
