Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
4/2/2012
11:53:36 AM
Very Rare 8.7%
Master at Arms
Kill enemies with 5 different heavy weapons during the game
3/30/2012
5:06:50 AM
Rare 28.1%
Revenge!
Gain the loyalty of the mercenary ("Cerberus Pack" downloadable content)
3/28/2012
2:45:03 PM
Rare 30.5%
Digital Exorcist
Successfully shut down the rogue VI in Project Overlord
3/27/2012
4:30:36 AM
Common 52.2%
Head Hunter
Perform 30 headshot kills with any weapon on humanoid targets
3/26/2012
11:02:12 AM
Common 67.0%