Reach Sergeant (Level 10) in multiplayer Public Match.

Make the final assault.

Evolve any of your powers to rank 6.

Establish or rekindle a romantic relationship.

Kill 1,000 enemies.

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

Evacuate a scientific facility.

Disable a group of fighter squadrons.

Escape a Reaper in the galaxy map.

Set 100 enemies on fire with powers.

Explore a lost city.

Defeat a Harvester.