Sabotage a dreadnought.

Perform any combination of 50 biotic combos or tech bursts.

Survive the swarm.

Defeat a Harvester.

Destroy an Atlas dropped from orbit.

Evolve any of your powers to rank 6.

Escape a Reaper in the galaxy map.

Stop a Cerberus kidnapping.

Visit a store in the single-player campaign.

Kill a brute while it's charging you.

Chase down an assassin.

Start a character in multiplayer or customize a character in single-player.