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