Upgrade any weapon to level 10.
Promote a multiplayer character to the Galaxy at War or import an ME3 character.
Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.
Mission accomplished.
Make the final assault.
Deliver most of the Galaxy at War assets to the final conflict.
Attain the highest level of readiness in each theater of war.
Reach level 20 in multiplayer or level 60 in single-player.
Kill 1,000 enemies.
Kill 10 guardians with headshots from the front while their shields are raised.
Send a warning across the galaxy.
Finish all multiplayer maps or all N7 missions in single-player.
Extract ancient technology.
Call down an orbital strike.
Disable a group of fighter squadrons.
Complete three multiplayer matches or five N7 missions.
Reach level 15 in multiplayer or level 50 in single-player.
Set 100 enemies on fire with powers.
Sabotage a dreadnought.
Discover an enemy's monstrous origin.
Establish or rekindle a romantic relationship.
Evacuate a scientific facility.
Lift 100 enemies off the ground with powers.
Overload the shields of 100 enemies.
Win a political stand-off.
Hijack an Atlas mech.
Survive the swarm.
Explore a lost city.
Kill 100 enemies with melee attacks.
Defeat a harvester.
Complete one multiplayer match or two N7 missions.
Destroy an Atlas dropped from orbit.
Kill 250 enemies.
Stop a Cerberus kidnapping.
Bring a veteran officer aboard.
Kill a brute while it's charging you.
Dispatch 10 probes to retrieve people or resources in Reaper territory.
Perform any combination of 50 biotic combos or tech bursts.
Escape a Reaper in the galaxy map.
Start a character in multiplayer or customize a character in single-player.
Evolve any of your powers to rank 6.
Find all required intel to help Eden Prime's colonists.
Learn more about the Prothean Empire.
Obtain two non-customizable suits of armor.
Visit a store in the single-player campaign.
Chase down an assassin.
Modify a weapon.
Return to active duty.
Defeat an old adversary.
Finish the game on Insanity without changing difficulty after leaving Earth.
Kill 5,000 enemies.
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.
