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