Mail Slot
Kill 10 guardians with headshots from the front while their shields are raised.
3/8/2014
2:30:20 PM
Rare 23.0%
Conspiracy Theorist
Use clues to pinpoint the exact location of an objective.
3/2/2014
8:09:23 PM
Very Rare 6.0%
Freedom Fighter
Find all required intel to help Eden Prime's colonists.
2/23/2014
8:19:56 PM
Very Rare 9.9%
Enlisted
Start a character in multiplayer or customize a character in single-player.
2/23/2014
4:57:00 PM
Common 59.0%
The Ultimate Sacrifice
Complete the Arrival DLC ("Arrival" downloadable content)
1/13/2014
9:59:46 PM
Rare 10.3%
Last Stand
Survive all five waves in the battle for Object Rho ("Arrival" downloadable content)
1/13/2014
9:22:34 PM
Very Rare 5.1%
Covert Action
Rescue Dr. Amanda Kenson without attracting hostile attention ("Arrival" downloadable content)
1/13/2014
7:23:39 PM
Ultra Rare 4.9%
Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
1/12/2014
7:45:24 PM
Very Rare 8.7%
