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

Establish or rekindle a romantic relationship.

Win a political stand-off.

Explore a lost city.

Kill 100 enemies with melee attacks.

Defeat a Harvester.

Stop a Cerberus kidnapping.

Bring a veteran officer aboard.

Kill 250 enemies.

Visit a store in the single-player campaign.

Chase down an assassin.

Return to active duty.

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