Throw a party for your friends.
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.
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.
Complete all the Command Center side-missions on Omega.
Free Omega from Cerberus occupation.
Find the Talon leader.
Uncover an ancient secret.
Rescue a civilian from Reaper forces.
Investigate a sinister conspiracy.
Use clues to pinpoint the exact location of an objective.
Acquire all trophies.
Kill 5,000 enemies.
Attain the highest level of readiness in each theater of war.
Lift 100 enemies off the ground with powers.
Overload the shields of 100 enemies.
Deliver most of the Galaxy at War assets to the final conflict.
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.
Perform any combination of 50 biotic combos or tech bursts.
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.
Set 100 enemies on fire with powers.
Defeat an old adversary.
Kill 1,000 enemies.
Finish all multiplayer maps or all N7 missions in single-player.
Send a warning across the galaxy.
Kill a brute while it's charging you.
Extract ancient technology.
Call down an orbital strike.
Disable a group of fighter squadrons.
Reach level 15 in multiplayer or level 50 in single-player.
Complete three multiplayer matches or five N7 missions.
Sabotage a dreadnought.
Survive the swarm.
Dispatch 10 probes to retrieve people or resources in Reaper territory.
Discover an enemy's monstrous origin.
Evacuate a scientific facility.
Learn more about the Prothean Empire.
Kill 10 guardians with headshots from the front while their shields are raised.
Find all required intel to help Eden Prime's colonists.
Complete one multiplayer match or two N7 missions.
Establish or rekindle a romantic relationship.
Win a political stand-off.
Evolve any of your powers to rank 6.
Explore a lost city.
Defeat a Harvester.
Stop a Cerberus kidnapping.
Kill 250 enemies.
Escape a Reaper in the galaxy map.
Destroy an Atlas dropped from orbit.
Bring a veteran officer aboard.
Modify a weapon.
Obtain two non-customizable suits of armor.
Visit a store in the single-player campaign.
Chase down an assassin.
Return to active duty.
