Finish all multiplayer maps or all N7 missions in single-player.

Deliver most of the Galaxy at War assets to the final conflict.

Establish or rekindle a romantic relationship.

Complete three multiplayer matches or five N7 missions.

Reach level 15 in multiplayer or level 50 in single-player.

Evacuate a scientific facility.

Win a political stand-off.

Survive the swarm.

Complete one multiplayer match or two N7 missions.

Stop a Cerberus kidnapping.

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

Escape a Reaper in the galaxy map.