Disable a group of fighter squadrons.

Sabotage a dreadnought.

Discover an enemy's monstrous origin.

Win a political stand-off.

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

Explore a lost city.

Perform any combination of 50 biotic combos or tech bursts.

Destroy an Atlas dropped from orbit.

Stop a Cerberus kidnapping.

Escape a Reaper in the galaxy map.

Visit a store in the single-player campaign.

Set 100 enemies on fire with powers.