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