Defeat a Harvester.

Destroy an Atlas dropped from orbit.

Evolve any of your powers to rank 6.

Learn more about the Prothean Empire.

Find all required intel to help Eden Prime's colonists.

Bring a veteran officer aboard.

Escape a Reaper in the galaxy map.

Visit a store in the single-player campaign.

Kill 10 guardians with headshots from the front while their shields are raised.

Lift 100 enemies off the ground with powers.

Perform any combination of 50 biotic combos or tech bursts.

Kill 100 enemies with melee attacks.