| Achievement | How to unlock
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|---|
| A Personal Touch | Modify a weapon.
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| Almost There | Reach Level 15 in multiplayer or level 50 in single-player
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| Always Prepared | Obtain two noncustomizable suits of armor.
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| Arbiter | Win a political standoff
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| Battle-Scarred | Promote a multiplayer character to the Galaxy at War or import an ME3 character.
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| Bringer of War | Chase down an assassin.
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| Bruiser | Kill 100 enemies with melee attacks.
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| Combined Arms | Perform any combinations of 50 biotic combos or tech bursts.
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| Defender | Attain the highest level of readiness in each theater of war.
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| Driven | Return to active duty
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| Enlisted | Start a character in multiplayer or customize a character in single-player.
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| Executioner | Defeat an old adversary.
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| Explorer | Complete three multiplayer matches or five N7 missions.
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| Eye of the Hurricane | Kill a brute while it's charging you.
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| Fact Finder | Discover an enemy's monstrous origin.
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| Focused | Evolve any of your powers to rank 6.
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| Giant Killer | Defeat a Harvester
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| Gunsmith | Upgrade any weapon to level 10.
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| Hard Target | Call down an orbital strike.
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| Hijacker | Hijack an Atlas mech.
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| Insanity | Finish the game on Insanity without changing difficulty after leaving Earth.
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| Last Witness | Extract ancient technology
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| Legend | Mission accomplished.
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| Liberator | Stop a Cerberus kidnapping
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| Long Service Medal | Complete Mass Effect 3 twice or once with a Mass Effect 2 import.
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| Lost and Found | Dispatch 10 probes to retrieve people or resources in Reaper territory.
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| Mail Slot | Kill 10 guardians with headshots from the front while their shields are raised.
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| Master and Commander | Deliver most of the Galaxy at War assets to the final conflict
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| Mobilizer | Bring a veteran officer aboard.
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| Overload Specialist | Overload the shields of 100 enemies.
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| Paramour | Establish or rekindle a romantic relationship.
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| Party Crasher | Sabotage a dreadnought.
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| Pathfinder | Explore a lost city.
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| Patriot | Make the final assault.
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| Peak Condition | Reach Level 20 in multiplayer or level 60 in single-player.
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| Problem Solver | Evacuate a scientific facility.
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| Pyromaniac | Set 100 enemies on fire with powers.
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| Recruit | Kill 250 enemies.
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| Saboteur | Disable a group of fighter squadrons.
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| Shopaholic | Visit a store in the single-player campaign.
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| Sky High | Lift 100 enemies off the ground with powers.
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| Soldier | Kill 1,000 enemies.
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| Tour of Duty | Finish all multiplayer maps or all N7 missions in single-player.
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| Tourist | Complete one multiplayer match or two N7 missions.
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| Tunnel Rat | Survive the swarm.
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| Untouchable | Escape a Reaper in the galaxy map.
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| Unwavering | Finish all multiplayer maps on Gold or all single-player missions on Insanity.
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| Veteran | Kill 5,000 enemies.
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| Well Connected | Send a warning across the galaxy.
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| World Shaker | Destroy an Atlas dropped from orbit.
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