Mass Effect 3
Xbox 360 · backward compatible
SortLocked / Unlocked
50 of 68 achievements are assigned to a part of this game; 18 are unassigned. Grouping explains the list — it never changes how much of the game you have completed.
Base game
- Achievements
- 50
- Gamerscore
- 1,000G
- Prestige Score
- 1,000P50 without Xbox rarity
Modify a weapon.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityReach level 15 in multiplayer or level 50 in single-player.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityObtain two non-customizable suits of armor.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityWin a political stand-off.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityPromote a multiplayer character to the Galaxy at War or import an ME3 character.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityChase down an assassin.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityKill 100 enemies with melee attacks.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityPerform any combination of 50 biotic combos or tech bursts.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityAttain the highest level of readiness in each theater of war.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityReturn to active duty.
5 Gamerscore, 5 Prestige Score, without Xbox rarityNo rarityStart a character in multiplayer or customize a character in single-player.
5 Gamerscore, 5 Prestige Score, without Xbox rarityNo rarityDefeat an old adversary.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityComplete three multiplayer matches or five N7 missions.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityKill a brute while it's charging you.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityDiscover an enemy's monstrous origin.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityEvolve any of your powers to rank 6.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityDefeat a harvester.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityUpgrade any weapon to level 10.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityCall down an orbital strike.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityHijack an Atlas mech.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityFinish the game on Insanity without changing difficulty after leaving Earth.
75 Gamerscore, 75 Prestige Score, without Xbox rarityNo rarityExtract ancient technology.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityMission accomplished.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityStop a Cerberus kidnapping.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityComplete Mass Effect 3 twice, or once with a Mass Effect 2 import.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityDispatch 10 probes to retrieve people or resources in Reaper territory.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityKill 10 guardians with headshots from the front while their shields are raised.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityDeliver most of the Galaxy at War assets to the final conflict.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityBring a veteran officer aboard.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityOverload the shields of 100 enemies.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityEstablish or rekindle a romantic relationship.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo raritySabotage a dreadnought.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityExplore a lost city.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityMake the final assault.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityReach level 20 in multiplayer or level 60 in single-player.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityEvacuate a scientific facility.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo raritySet 100 enemies on fire with powers.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityKill 250 enemies.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityDisable a group of fighter squadrons.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityVisit a store in the single-player campaign.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityLift 100 enemies off the ground with powers.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityKill 1,000 enemies.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityFinish all multiplayer maps or all N7 missions in single-player.
20 Gamerscore, 20 Prestige Score, without Xbox rarityNo rarityComplete one multiplayer match or two N7 missions.
5 Gamerscore, 5 Prestige Score, without Xbox rarityNo raritySurvive the swarm.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityEscape a Reaper in the galaxy map.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityFinish all multiplayer maps on Gold or all single-player missions on Insanity.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityKill 5,000 enemies.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo raritySend a warning across the galaxy.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityDestroy an Atlas dropped from orbit.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarity
Unassigned
- Achievements
- 18
- Gamerscore
- 550G
- Prestige Score
- 550P18 without Xbox rarity
Use clues to pinpoint the exact location of an objective.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityRescue a civilian from Reaper forces.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityFind all required intel to help Eden Prime's colonists.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityGo undercover to follow a lead.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityWin a prize at one of the arcade games.
15 Gamerscore, 15 Prestige Score, without Xbox rarityNo rarityStop an out-of-control scheme before it's too late.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityComplete all the Command Center side-missions on Omega.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityInvestigate a sinister conspiracy.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityThrow a party for your friends.
10 Gamerscore, 10 Prestige Score, without Xbox rarityNo rarityDiscover a plot against you.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityLearn more about the Prothean Empire.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityFree Omega from Cerberus Occupation.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityScore 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityFind the Talon leader.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityInfiltrate an enemy stronghold with your crew.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityInvestigate a strange occurrence in the combat simulator.
25 Gamerscore, 25 Prestige Score, without Xbox rarityNo rarityDefeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarityUncover an ancient secret.
50 Gamerscore, 50 Prestige Score, without Xbox rarityNo rarity
