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