Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
4/26/2011
8:01:22 PM
Very Rare 8.7%
The Ultimate Sacrifice
Complete the Arrival DLC ("Arrival" downloadable content)
4/9/2011
12:46:13 PM
Rare 10.3%
Last Stand
Survive all five waves in the battle for Object Rho ("Arrival" downloadable content)
4/9/2011
12:05:32 PM
Very Rare 5.1%
Covert Action
Rescue Dr. Amanda Kenson without attracting hostile attention ("Arrival" downloadable content)
4/2/2011
10:19:23 AM
Ultra Rare 4.9%
Mission Accomplished
Save humanity throughout the galaxy from certain annihilation
2/12/2011
11:30:29 PM
Rare 45.3%
Long Service Medal
Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1
2/12/2011
11:30:08 PM
Rare 31.0%
