ME3: Disable a group of fighter squadrons.

ME3: Evacuate a scientific facility.

ME3: Free Omega from Cerberus Occupation.

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

ME3: Hijack an Atlas mech.

ME3: Overload the shields of 100 enemies.

ME3: Survive the swarm.

ME3: Stop a Cerberus kidnapping.

ME3: Escape a Reaper in the galaxy map.

ME3: Bring a veteran officer aboard.

ME3: Kill a brute while it's charging you.

ME3: Visit a store on the Citadel.