Down, Not Out
Defeat an enemy while dying, then recover without any help.
10/3/2012
5:17:26 PM
Rare 38.2%
Scoreboard 50%
Place in the top 50% of players in the online scoreboard for a Story level
8/30/2012
1:17:17 AM
Common 51.4%
No Assistance Required
Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.
7/6/2012
5:10:43 AM
Ultra Rare 4.4%
Let's Get Some Levels
Calibrate your system for the optimal experience.
7/1/2012
11:07:16 PM
Common 52.3%