Establish or rekindle a romantic relationship.

Win a political stand-off.

Complete one multiplayer match or two N7 missions.

Kill 100 enemies with melee attacks.

Destroy an Atlas dropped from orbit.

Stop a Cerberus kidnapping.

Overload the shields of 100 enemies.

Lift 100 enemies off the ground with powers.

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

Kill 250 enemies.

Escape a Reaper in the galaxy map.

Perform any combination of 50 biotic combos or tech bursts.