Mail Slot
Kill 10 guardians with headshots from the front while their shields are raised.
7/20/2013
7:45:30 PM
Rare 23.0%
Insanity
Complete the game on the "Insanity" difficulty level without changing the setting
7/20/2013
4:44:22 PM
Ultra Rare 3.9%
Mission Accomplished
Save humanity throughout the galaxy from certain annihilation
7/17/2013
3:11:51 PM
Rare 45.3%
Long Service Medal
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
7/17/2013
3:11:27 PM
Rare 31.0%
The Ultimate Sacrifice
Complete the Arrival DLC ("Arrival" downloadable content)
7/16/2013
9:56:24 PM
Rare 10.3%
Last Stand
Survive all five waves in the battle for Object Rho ("Arrival" downloadable content)
7/16/2013
9:22:45 PM
Very Rare 5.1%
Covert Action
Rescue Dr. Amanda Kenson without attracting hostile attention ("Arrival" downloadable content)
7/16/2013
8:53:44 PM
Ultra Rare 4.9%
Digital Exorcist
Successfully shut down the rogue VI in Project Overlord
7/16/2013
8:29:54 PM
Common 52.2%
Revenge!
Gain the loyalty of the mercenary ("Cerberus Pack" downloadable content)
7/16/2013
3:05:55 PM
Rare 30.5%