Deliver This
Complete the "Special Delivery" Special Ops mission on Veteran difficulty.
6/29/2013
10:05:46 PM
Ultra Rare 0.1%
Happy Hour
In TranZit, buy 2 different perks before turning on the power.
5/14/2013
6:38:47 AM
Very Rare 5.9%
Awaken the Gazebo
In Buried, Pack-a-Punch a weapon during round 1 with no one using the bank or Weapon Locker.
5/13/2013
10:55:12 AM
Ultra Rare 0.6%
Egg-stra XP!
Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.
5/2/2013
8:01:41 PM
Ultra Rare 0.7%
No Assistance Required
Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.
3/31/2013
11:07:47 PM
Ultra Rare 4.4%
It Came from Below!
Kill 6 enemies with the knife while underwater in "Legends Never Die".
3/15/2013
7:37:30 PM
Ultra Rare 1.1%
No Man's Land
Make it to San Diego. (Complete "No Man's Land" on any difficulty.)
3/1/2013
10:57:02 AM
Rare 47.4%
Out of the Frying Pan...
Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.
1/19/2013
9:32:43 PM
Ultra Rare 3.3%
Saving the Day...All Day
In Origins, revive another player four different ways in one game.
1/7/2013
8:34:09 AM
Ultra Rare 0.4%
Nightfall Completionist
Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.
12/18/2012
12:57:25 AM
Ultra Rare 0.3%
Paranormal Progress
In Mob of the Dead, open a door without spending points.
12/8/2012
5:51:38 AM
Very Rare 7.8%
Facing the Dragon
In Die Rise, face the dragon head-on before reaching round 2.
11/26/2012
1:29:09 AM
Ultra Rare 1.5%