The Ultimate Sacrifice
Complete the Arrival DLC ("Arrival" downloadable content)
9/29/2013
3:27:23 PM
Rare 10.3%
Last Stand
Survive all five waves in the battle for Object Rho ("Arrival" downloadable content)
9/29/2013
2:46:53 PM
Very Rare 5.1%
Covert Action
Rescue Dr. Amanda Kenson without attracting hostile attention ("Arrival" downloadable content)
9/29/2013
2:18:13 PM
Ultra Rare 4.9%
Mission Accomplished
Save humanity throughout the galaxy from certain annihilation
9/26/2013
9:36:14 PM
Rare 45.3%
Long Service Medal
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
9/26/2013
9:35:51 PM
Rare 31.0%
Brawler
Shoot and kill 20 enemies while they're knocked back by a punch
9/24/2013
11:13:05 PM
Rare 10.5%