Set 100 enemies on fire with powers.
Kill 10 guardians with headshots from the front while their shields are raised.
Lift 100 enemies off the ground with powers.
Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.
Mission accomplished.
Make the final assault.
Defeat an old adversary.
Kill 1,000 enemies.
Throw a party for your friends.
Send a warning across the galaxy.
Finish all multiplayer maps or all N7 missions in single-player.
Extract ancient technology.
Stop an out-of-control scheme before it's too late.
Infiltrate an enemy stronghold with your crew.
Go undercover to follow a lead.
Discover a plot against you.
Complete three multiplayer matches or five N7 missions.
Learn more about the Prothean Empire.
Find all required intel to help Eden Prime's colonists.
Call down an orbital strike.
Reach level 15 in multiplayer or level 50 in single-player.
Disable a group of fighter squadrons.
Sabotage a dreadnought.
Evacuate a scientific facility.
Dispatch 10 probes to retrieve people or resources in Reaper territory.
Discover an enemy's monstrous origin.
Establish or rekindle a romantic relationship.
Win a political stand-off.
Escape a Reaper in the galaxy map.
Explore a lost city.
Defeat a Harvester.
Complete one multiplayer match or two N7 missions.
Survive the swarm.
Destroy an Atlas dropped from orbit.
Kill 250 enemies.
Kill a brute while it's charging you.
Stop a Cerberus kidnapping.
Modify a weapon.
Bring a veteran officer aboard.
Visit a store in the single-player campaign.
Chase down an assassin.
Return to active duty.
Evolve any of your powers to rank 6.
Start a character in multiplayer or customize a character in single-player.
Perform any combination of 50 biotic combos or tech bursts.
Win a prize at one of the arcade games.
Finish the game on Insanity without changing difficulty after leaving Earth.
Deliver most of the Galaxy at War assets to the final conflict.
Find the Talon leader.
Investigate a strange occurrence in the combat simulator.
Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.
Complete all the Command Center side-missions on Omega.
Uncover an ancient secret.
Free Omega from Cerberus occupation.
Use clues to pinpoint the exact location of an objective.
Hijack an Atlas mech.
Rescue a civilian from Reaper forces.
Investigate a sinister conspiracy.
Finish all multiplayer maps on Gold or all single-player missions on Insanity.
Kill 5,000 enemies.
Promote a multiplayer character to the Galaxy at War or import an ME3 character.
Reach level 20 in multiplayer or level 60 in single-player.
Kill 100 enemies with melee attacks.
Upgrade any weapon to level 10.
Attain the highest level of readiness in each theater of war.
Overload the shields of 100 enemies.
Obtain two non-customizable suits of armor.
Acquire all trophies.