ME3: Disable a group of fighter squadrons.

ME3: Evacuate a scientific facility.

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

ME3: Explore a lost city.

ME3: Defeat a harvester.

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

ME3: Lift 100 enemies off the ground with powers.

ME3: Stop a Cerberus kidnapping.

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

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

ME3: Escape a Reaper in the galaxy map.

ME3: Visit a store on the Citadel.