Finish all multiplayer maps or all N7 missions in single-player.

Extract ancient technology.

Evolve any of your powers to rank 6.

Call down an orbital strike.

Sabotage a dreadnought.

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

Win a political stand-off.

Kill a brute while it's charging you.

Defeat a Harvester.

Survive the swarm.

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

Kill 250 enemies.

Escape a Reaper in the galaxy map.