Tactician
Hit 20 different targets with multiple biotic powers to combine the effects
4/24/2011
7:30:17 AM
Very Rare 8.7%
Master at Arms
Kill enemies with 5 different heavy weapons during the game
4/23/2011
11:03:35 PM
Rare 28.1%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
4/21/2011
3:11:55 AM
Rare 31.6%
Team Building
Complete all test chambers in the Team Building co-op course
4/20/2011
4:12:24 AM
Rare 46.8%
Revenge!
Gain the loyalty of the mercenary ("Cerberus Pack" downloadable content)
4/18/2011
2:43:32 AM
Rare 30.5%
Operative
Complete a mission discovered by scanning an unexplored world
4/18/2011
1:10:27 AM
Common 60.2%
