Choose Berserker, Engineer, and Zephyr at least once in Quick Match or Co-op mode. - Happy Wars (Xbox 360)
Uncover an ancient secret. - Mass Effect 3
Rescue a civilian from Reaper forces. - Mass Effect 3
1,734/2,593515/60029/36
1,657/2,3701,150/1,55055/68
2,490/2,4901,000/1,00050/50