Last Witness
Extract ancient technology.
Executioner
Defeat an old adversary.
Well Connected
Send a warning across the galaxy.
Patriot
Make the final assault.
Legend
Mission accomplished.
Master and Commander
Deliver most of the Galaxy at War assets to the final conflict.
Long Service Medal
Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.
Insanity
Finish the game on Insanity without changing difficulty after leaving Earth.
Veteran
Kill 5,000 enemies.
Bruiser
Kill 100 enemies with melee attacks.
Defender
Attain the highest level of readiness in each theater of war.
Hijacker
Hijack an Atlas mech.
Tour of Duty
Finish all multiplayer maps or all N7 missions in single-player.
Gunsmith
Upgrade any weapon to level 10.
Almost There
Reach level 15 in multiplayer or level 50 in single-player.
Peak Condition
Reach level 20 in multiplayer or level 60 in single-player.
Battle-Scarred
Promote a multiplayer character to the Galaxy at War or import an ME3 character.
Unwavering
Finish all multiplayer maps on Gold or all single-player missions on Insanity.
No Stone Unturned
Investigate a sinister conspiracy.
Family Matters
Rescue a civilian from Reaper forces.
Under Pressure
Uncover an ancient secret.
Conspiracy Theorist
Use clues to pinpoint the exact location of an objective.
Savior
Free Omega from Cerberus occupation.
Talon
Find the Talon leader.
Meticulous
Complete all the Command Center side-missions on Omega.
Priority Target
Discover a plot against you.
High Society
Go undercover to follow a lead.
Team Player
Infiltrate an enemy stronghold with your crew.
Last Resort
Stop an out-of-control scheme before it's too late.
Perfect Host
Throw a party for your friends.
King of the Castle
Win a prize at one of the arcade games.
Technical Issues
Investigate a strange occurrence in the combat simulator.
Simulated Hero
Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
The One and Only
Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.