Perform any combination of 50 biotic combos or tech bursts.

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

Learn more about the Prothean Empire.

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

Complete three multiplayer matches or five N7 missions.

Evacuate a scientific facility.

Extract ancient technology.

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

Sabotage a dreadnought.

Win a political stand-off.

Kill 100 enemies with melee attacks.

Survive the swarm.

Escape a Reaper in the galaxy map.