ME3: Send a warning across the galaxy.

ME3: Deliver most of the Galaxy at War assets to the final conflict.

ME3: Disable a group of fighter squadrons.

ME3: Free Omega from Cerberus Occupation.

Establish or rekindle a romantic relationship in all three games in Mass Effect Legendary Edition

ME3: Win a political stand-off.

ME3: Survive the swarm.

ME3: Destroy an Atlas dropped from orbit.

ME3: Modify a weapon.

ME3: Escape a Reaper in the galaxy map.

ME3: Hijack an Atlas mech.

ME3: Kill 10 guardians with headshots from the front while their shields are raised.

ME3: Perform any combination of 50 biotic combos or tech bursts.