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