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

Extract ancient technology.

Complete three multiplayer matches or five N7 missions.

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

Discover an enemy's monstrous origin.

Kill 1,000 enemies.

Disable a group of fighter squadrons.

Escape a Reaper in the galaxy map.

Evolve any of your powers to rank 6.

Explore a lost city.

Defeat a Harvester.

Destroy an Atlas dropped from orbit.