| Achievement | How to unlock
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|---|
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| - Reach Level 15 in multiplayer or level 50 in single-player
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| - Obtain two noncustomizable suits of armor.
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| - Promote a multiplayer character to the Galaxy at War or import an ME3 character.
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| - Kill 100 enemies with melee attacks.
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| - Perform any combinations of 50 biotic combos or tech bursts.
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| - Attain the highest level of readiness in each theater of war.
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| - Start a character in multiplayer or customize a character in single-player.
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| - Complete three multiplayer matches or five N7 missions.
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| - Kill a brute while it's charging you.
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| - Discover an enemy's monstrous origin.
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| - Evolve any of your powers to rank 6.
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| - Upgrade any weapon to level 10.
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| - Call down an orbital strike.
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| - Finish the game on Insanity without changing difficulty after leaving Earth.
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| - Extract ancient technology
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| - Stop a Cerberus kidnapping
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| - Complete Mass Effect 3 twice or once with a Mass Effect 2 import.
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| - Dispatch 10 probes to retrieve people or resources in Reaper territory.
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| - Kill 10 guardians with headshots from the front while their shields are raised.
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| - Deliver most of the Galaxy at War assets to the final conflict
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| - Bring a veteran officer aboard.
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| - Overload the shields of 100 enemies.
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| - Establish or rekindle a romantic relationship.
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| - Reach Level 20 in multiplayer or level 60 in single-player.
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| - Evacuate a scientific facility.
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| - Set 100 enemies on fire with powers.
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| - Disable a group of fighter squadrons.
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| - Visit a store in the single-player campaign.
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| - Lift 100 enemies off the ground with powers.
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| - Finish all multiplayer maps or all N7 missions in single-player.
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| - Complete one multiplayer match or two N7 missions.
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| - Escape a Reaper in the galaxy map.
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| - Finish all multiplayer maps on Gold or all single-player missions on Insanity.
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| - Send a warning across the galaxy.
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| - Destroy an Atlas dropped from orbit.
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