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