Popped 50 Enemy Bubbles.

Head Nymph Betilla is Free!

Make the final assault.

Hijack an Atlas mech.

Kill 1,000 enemies.

Survive the swarm.

Evacuate a scientific facility.

Dispatch 10 probes to retrieve people or resources in Reaper territory.

Call down an orbital strike.

Disable a group of fighter squadrons.

Escape a Reaper in the galaxy map.

Learn more about the Prothean Empire.

Kill a brute while it's charging you.