Call down an orbital strike.

Disable a group of fighter squadrons.

Sabotage a dreadnought.

Survive 1 wave in a Special Ops Survival game.

Establish or rekindle a romantic relationship.

Win a political stand-off.

Explore a lost city.

Set 100 enemies on fire with powers.

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

Escape a Reaper in the galaxy map.

Kill 250 enemies.

Bring a veteran officer aboard.