Overload the shields of 100 enemies.
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.
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.
Defeat an old adversary.
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.
Complete three multiplayer matches or five N7 missions.
Disable a group of fighter squadrons.
Establish or rekindle a romantic relationship.
Sabotage a dreadnought.
Reach level 15 in multiplayer or level 50 in single-player.
Discover an enemy's monstrous origin.
Evacuate a scientific facility.
Throw a party for your friends.
Investigate a strange occurrence in the combat simulator.
Kill 1,000 enemies.
Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.
Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
Win a prize at one of the arcade games.
Stop an out-of-control scheme before it's too late.
Infiltrate an enemy stronghold with your crew.
Perform any combination of 50 biotic combos or tech bursts.
Go undercover to follow a lead.
Discover a plot against you.
Win a political stand-off.
Hijack an Atlas mech.
Explore a lost city.
Defeat a harvester.
Complete one multiplayer match or two N7 missions.
Set 100 enemies on fire with powers.
Survive the swarm.
Destroy an Atlas dropped from orbit.
Lift 100 enemies off the ground with powers.
Stop a Cerberus kidnapping.
Kill 250 enemies.
Obtain two non-customizable suits of armor.
Bring a veteran officer aboard.
Kill a brute while it's charging you.
Kill 100 enemies with melee attacks.
Modify a weapon.
Dispatch 10 probes to retrieve people or resources in Reaper territory.
Escape a Reaper in the galaxy map.
Visit a store in the single-player campaign.
Chase down an assassin.
Kill 10 guardians with headshots from the front while their shields are raised.
Return to active duty.
Evolve any of your powers to rank 6.
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.
Finish all multiplayer maps on Gold or all single-player missions on Insanity.
Find all required intel to help Eden Prime's colonists.
Learn more about the Prothean Empire.
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.
