Insanity
Finish the game on Insanity without changing difficulty after leaving Earth.
75 ✓ July 12th, 2012
Legend
Mission accomplished.
50 ✓ March 15th, 2012
Master and Commander
Deliver most of the Galaxy at War assets to the final conflict.
50 ✓ March 15th, 2012
Long Service Medal
Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.
50 ✓ March 15th, 2012
Unwavering
Finish all multiplayer maps on Gold or all single-player missions on Insanity.
50 ✓ January 30th, 2013
Arbiter
Win a political stand-off.
25 ✓ March 11th, 2012
Last Witness
Extract ancient technology.
25 ✓ March 14th, 2012
Executioner
Defeat an old adversary.
25 ✓ March 15th, 2012
Patriot
Make the final assault.
25 ✓ March 15th, 2012
Lost and Found
Dispatch 10 probes to retrieve people or resources in Reaper territory.
25 ✓ March 9th, 2012
Paramour
Establish or rekindle a romantic relationship.
25 ✓ March 12th, 2012
Combined Arms
Perform any combination of 50 biotic combos or tech bursts.
25 ✓ March 15th, 2012
Focused
Evolve any of your powers to rank 6.
25 ✓ March 8th, 2012
Veteran
Kill 5,000 enemies.
25 ✓ March 29th, 2012
Defender
Attain the highest level of readiness in each theater of war.
25 ✓ March 26th, 2012
Gunsmith
Upgrade any weapon to level 10.
25 ✓ March 30th, 2012
Peak Condition
Reach level 20 in multiplayer or level 60 in single-player.
25 ✓ March 25th, 2012
Battle Scarred
Promote a multiplayer character to the Galaxy at War or import an ME3 character.
25 ✓ March 18th, 2012
Freedom Fighter
Find all required intel to help Eden Prime's colonists.
25 ✓ January 31st, 2013
Prothean Expert
Learn more about the Prothean Empire.
25 ✓ March 8th, 2012
Tour of Duty
Finish all multiplayer maps or all N7 missions in single-player.
20 ✓ March 14th, 2012
Mobilizer
Bring a veteran officer aboard.
15 ✓ March 8th, 2012
World Shaker
Destroy an Atlas dropped from orbit.
15 ✓ March 9th, 2012
Pathfinder
Explore a lost city.
15 ✓ March 11th, 2012
Tunnel Rat
Survive the swarm.
15 ✓ March 10th, 2012
Party Crasher
Sabotage a dreadnought.
15 ✓ March 12th, 2012
Hard Target
Call down an orbital strike.
15 ✓ March 14th, 2012
Saboteur
Disable a group of fighter squadrons.
15 ✓ March 13th, 2012
Well Connected
Send a warning across the galaxy.
15 ✓ March 15th, 2012
Fact Finder
Discover an enemy's monstrous origin.
15 ✓ March 12th, 2012
Liberator
Stop a Cerberus kidnapping.
15 ✓ March 9th, 2012
Problem Solver
Evacuate a scientific facility.
15 ✓ March 14th, 2012
Soldier
Kill 1,000 enemies.
15 ✓ March 10th, 2012
Overload Specialist
Overload the shields of 100 enemies.
15 ✓ January 4th, 2013
Sky High
Lift 100 enemies off the ground with powers.
15 ✓ March 11th, 2012
Pyromaniac
Set 100 enemies on fire with powers.
15 ✓ March 10th, 2012
Explorer
Complete three multiplayer matches or five N7 missions.
15 ✓ March 10th, 2012
Almost There
Reach level 15 in multiplayer or level 50 in single-player.
15 ✓ March 11th, 2012
Bringer of War
Chase down an assassin.
10 ✓ March 8th, 2012
Shopaholic
Visit a store in the single-player campaign.
10 ✓ March 8th, 2012
A Personal Touch
Modify a weapon.
10 ✓ March 8th, 2012
Recruit
Kill 250 enemies.
10 ✓ March 8th, 2012
Bruiser
Kill 100 enemies with melee attacks.
10 ✓ March 11th, 2012
Untouchable
Escape a Reaper in the galaxy map.
10 ✓ March 8th, 2012
Eye of the Hurricane
Kill a brute while it's charging you.
10 ✓ March 11th, 2012
Mail Slot
Kill 10 guardians with headshots from the front while their shields are raised.
10 ✓ March 8th, 2012
Hijacker
Hijack an Atlas mech.
10 ✓ July 8th, 2012
Giant Killer
Defeat a harvester.
10 ✓ March 10th, 2012
Always Prepared
Obtain two non-customizable suits of armor.
10 ✓ March 8th, 2012
Driven
Return to active duty.
5 ✓ March 8th, 2012
Enlisted
Start a character in multiplayer or customize a character in single-player.
5 ✓ March 8th, 2012
Tourist
Complete one multiplayer match or two N7 missions.
5 ✓ March 8th, 2012
Under Pressure
Uncover an ancient secret.
50 
Talon
Find the Talon leader.
50 
Meticulous
Complete all the Command Center side-missions on Omega.
50 
Last Resort
Stop an out-of-control scheme before it's too late.
50 
The One and Only
Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.
50 
No Stone Unturned
Investigate a sinister conspiracy.
25 
Conspiracy Theorist
Use clues to pinpoint the exact location of an objective.
25 
Family Matters
Rescue a civilian from Reaper forces.
25 
Savior
Free Omega from Cerberus Occupation.
25 
Priority Target
Discover a plot against you.
25 
High Society
Go undercover to follow a lead.
25 
Team Player
Infiltrate an enemy stronghold with your crew.
25 
Technical Issues
Investigate a strange occurrence in the combat simulator.
25 
Simulated Hero
Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
25 
King of the Castle
Win a prize at one of the arcade games.
15 
Perfect Host
Throw a party for your friends.
10