Medal of Honor

ME1: Complete the game on any difficulty

125 Gamerscore

Completionist

ME1: Complete the majority of the game

75 Gamerscore

Distinguished Service Medal

ME1: Complete Eden Prime

25 Gamerscore

Medal of Heroism

ME1: Complete Feros

25 Gamerscore

Honorarium of Corporate Service

ME1: Complete Noveria

25 Gamerscore

Council Legion of Merit

ME1: Complete Virmire

25 Gamerscore

Meritorious Service Medal

ME1: Complete Ilos

25 Gamerscore

Spectre Inductee

ME1: Become a Spectre

15 Gamerscore

Search and Rescue

ME1: Locate Dr. T'soni in the Artemis Tau cluster

25 Gamerscore

Charismatic

ME1: Use Charm or Intimidate to resolve an impossible situation

15 Gamerscore

Principled

ME1: Accumulate 75% of total possible Paragon or Renegade points

75 Gamerscore

Soldier Ally

ME1: Complete 5 missions with the Alliance soldier squad member

10 Gamerscore

Sentinel Ally

ME1: Complete 5 missions with the Alliance sentinel squad member

10 Gamerscore

Krogan Ally

ME1: Complete 5 missions with the krogan squad member

10 Gamerscore

Turian Ally

ME1: Complete 5 missions with the turian squad member

10 Gamerscore

Quarian Ally

ME1: Complete 5 missions with the quarian squad member

10 Gamerscore

Asari Ally

ME1: Complete 5 missions with the asari squad member

10 Gamerscore

Archivist

ME1: Find all primary Alien: Council Races, Extinct Races and Non-Council Races codex entries

20 Gamerscore

Medal of Exploration I

ME1: Land on an uncharted world

20 Gamerscore

Medal of Exploration II

ME1: Land on 4 uncharted worlds

20 Gamerscore

Medal of Exploration III

ME1: Land on 8 uncharted worlds

20 Gamerscore

Lift Mastery

ME1: Use biotic Lift 25 times

10 Gamerscore

Barrier Mastery

ME1: Use biotic Barrier 25 times

10 Gamerscore

Throw Mastery

ME1: Use biotic Throw 25 times

10 Gamerscore

Warp Mastery

ME1: Use biotic Warp 25 times

10 Gamerscore

Singularity Mastery

ME1: Use biotic Singularity 25 times

10 Gamerscore

Stasis Mastery

ME1: Use biotic Stasis 25 times

10 Gamerscore

AI Hacking Specialist

ME1: Use AI Hacking 25 times

10 Gamerscore

Damping Specialist

ME1: Use Damping Field 25 times

10 Gamerscore

Electronics Specialist

ME1: Use Shield Overload 25 times

10 Gamerscore

Sabotage Specialist

ME1: Use Sabotage 25 times

10 Gamerscore

First Aid Specialist

ME1: Use medi-gel 50 times

10 Gamerscore

Neural Shock Specialist

ME1: Use Neural Shock 25 times

10 Gamerscore

Colonial Savior

ME1: Complete the Bring Down the Sky mission.

75 Gamerscore

Mission Accomplished

ME2: Save humanity throughout the galaxy from certain annihilation

125 Gamerscore

Missing in Action

ME2: Save your crew from an overwhelming attack

5 Gamerscore

Very Elusive

ME2: Return to active duty

10 Gamerscore

Colony Defense

ME2: Defend a human colony from attack

15 Gamerscore

Ghost Ship

ME2: Complete the investigation of a derelict alien vessel

15 Gamerscore

Suicide Mission

ME2: Use the Omega 4 Relay

15 Gamerscore

Against All Odds

ME2: Survive suicide mission

50 Gamerscore

No One Left Behind

ME2: Keep your team alive through the suicide mission

75 Gamerscore

Friend or Foe

ME2: Obtain geth technology

10 Gamerscore

The Archangel

ME2: Successfully recruit Archangel

10 Gamerscore

The Assassin

ME2: Successfully recruit the Assassin

10 Gamerscore

The Convict

ME2: Successfully recruit the biotic Convict

10 Gamerscore

The Justicar

ME2: Successfully recruit the Justicar

10 Gamerscore

The Krogan

ME2: Successfully recruit the krogan

10 Gamerscore

The Professor

ME2: Successfully recruit the Professor

10 Gamerscore

The Quarian

ME2: Successfully recruit the quarian

10 Gamerscore

A House Divided

ME2: Hack a geth collective

10 Gamerscore

Battlemaster

ME2: Gain the loyalty of the krogan

10 Gamerscore

Cat's in the Cradle

ME2: Gain the loyalty of the Assassin

10 Gamerscore

Catharsis

ME2: Gain the loyalty of the biotic Convict

10 Gamerscore

Doppelganger

ME2: Help the Justicar resolve her mission

10 Gamerscore

Fade Away

ME2: Gain the loyalty of Archangel

10 Gamerscore

Ghost of the Father

ME2: Gain the loyalty of the Cerberus Operative

10 Gamerscore

The Cure

ME2: Gain the loyalty of the Professor

10 Gamerscore

The Prodigal

ME2: Gain the loyalty of the Cerberus Officer

10 Gamerscore

Treason

ME2: Gain the loyalty of the quarian

10 Gamerscore

Big Game Hunter

ME2: Thresher Maw defeated

10 Gamerscore

Head Hunter

ME2: Perform 30 headshot kills with any weapon on humanoid targets

10 Gamerscore

Incineration Specialist

ME2: Incinerate the armor of 25 enemies

10 Gamerscore

Merciless

ME2: Make 20 enemies scream as they fall or are set on fire

10 Gamerscore

Overload Specialist

ME2: Disrupt the shields of 25 enemies

10 Gamerscore

Tactician

ME2: Hit 20 different targets with multiple biotic powers to combine the effects

10 Gamerscore

Warp Specialist

ME2: Warp the barriers of 25 enemies

10 Gamerscore

Agent

ME2: Complete 5 missions discovered by scanning unexplored worlds

25 Gamerscore

Galactic Explorer

ME2: Visit 100% of the planets in an unexplored cluster

75 Gamerscore

Operative

ME2: Complete a mission discovered by scanning an unexplored world

25 Gamerscore

Scientist

ME2: Complete any research project in the Normandy's laboratory

15 Gamerscore

Weapon Specialist

ME2: Fully upgrade a weapon

15 Gamerscore

Scholar

ME2: Unlock 15 new Mass Effect 2 codex entries

10 Gamerscore

Power Full

ME2: Evolve any power

5 Gamerscore

Revenge!

ME2: Gain the loyalty of the mercenary

15 Gamerscore

Broke, Blind, and Bedlam

ME2: Gain the loyalty of the thief

15 Gamerscore

Digital Exorcist

ME2: Successfully shut down the rogue VI in Project Overlord

50 Gamerscore

Heart of Darkness

ME2: Confront the Shadow Broker

50 Gamerscore

Driven

ME3: Return to active duty

5 Gamerscore

Bringer of War

ME3: Chase down an assassin

10 Gamerscore

Mobilizer

ME3: Bring a veteran officer aboard

15 Gamerscore

World Shaker

ME3: Destroy an Atlas dropped from orbit

15 Gamerscore

Pathfinder

ME3: Explore a lost city

15 Gamerscore

Tunnel Rat

ME3: Survive the swarm

15 Gamerscore

Party Crasher

ME3: Sabotage a dreadnought

15 Gamerscore

Hard Target

ME3: Call down an orbital strike

15 Gamerscore

Saboteur

ME3: Disable a group of fighter squadrons

15 Gamerscore

Arbiter

ME3: Win a political stand-off

25 Gamerscore

Last Witness

ME3: Extract ancient technology

25 Gamerscore

Executioner

ME3: Defeat an old adversary

25 Gamerscore

Well Connected

ME3: Send a warning across the galaxy

15 Gamerscore

Fact Finder

ME3: Discover an enemy's monstrous origin

15 Gamerscore

Liberator

ME3: Stop a Cerberus kidnapping

15 Gamerscore

Problem Solver

ME3: Evacuate a scientific facility

15 Gamerscore

Patriot

ME3: Make the final assault

25 Gamerscore

Legend

ME3: Mission accomplished

50 Gamerscore

Shopaholic

ME3: Visit a store on the Citadel

10 Gamerscore

Master and Commander

ME3: Deliver most of the Galaxy at War assets to the final conflict

50 Gamerscore

Lost and Found

ME3: Dispatch 10 probes to retrieve people or resources in Reaper territory

25 Gamerscore

A Personal Touch

ME3: Modify a weapon

10 Gamerscore

Combined Arms

ME3: Perform any combination of 50 biotic combos or tech bursts

25 Gamerscore

Focused

ME3: Evolve any of your powers to rank 6

25 Gamerscore

Untouchable

ME3: Escape a Reaper in the galaxy map

10 Gamerscore

Shield Breaker

ME3: Overload the shields of 100 enemies

15 Gamerscore

Sky High

ME3: Lift 100 enemies off the ground with powers

15 Gamerscore

Pyromaniac

ME3: Set 100 enemies on fire with powers

15 Gamerscore

Eye of the Hurricane

ME3: Kill a brute while it's charging you

10 Gamerscore

Mail Slot

ME3: Kill 10 guardians with headshots from the front while their shields are raised

10 Gamerscore

Hijacker

ME3: Hijack an Atlas mech

10 Gamerscore

Giant Killer

ME3: Defeat a harvester

10 Gamerscore

Always Prepared

ME3: Obtain two non-customizable suits of armor

5 Gamerscore

Gunsmith

ME3: Upgrade any weapon to level 10

25 Gamerscore

Under Pressure

ME3: Uncover an ancient secret

50 Gamerscore

Savior

ME3: Free Omega from Cerberus Occupation

25 Gamerscore

Last Resort

ME3: Stop an out-of-control scheme before it's too late

50 Gamerscore

The One and Only

ME3: Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity

50 Gamerscore

Insanity I

Complete Mass Effect 1, 2 or 3 on Insanity without changing difficulty

50 Gamerscore

Insanity II

Complete two games in Mass Effect Legendary Edition on Insanity without changing difficulty

75 Gamerscore

Insanity III

Complete all three games in Mass Effect Legendary Edition on Insanity without changing difficulty

100 Gamerscore

Paramour I

Establish a romantic relationship in Mass Effect 1, 2 or 3

10 Gamerscore

Paramour II

Establish or rekindle a romantic relationship in two games in Mass Effect Legendary Edition

20 Gamerscore

Paramour III

Establish or rekindle a romantic relationship in all three games in Mass Effect Legendary Edition

50 Gamerscore

Long Service Medal

Finish Mass Effect 1, 2 and 3 with the same character

125 Gamerscore

Recruit

Kill 250 enemies in Mass Effect 1, 2 or 3

10 Gamerscore

Soldier

Kill 1,000 enemies in Mass Effect 1, 2 or 3

15 Gamerscore

Veteran

Kill 2,000 enemies in Mass Effect 1, 2 or 3

25 Gamerscore

Bruiser

Kill 100 enemies with melee attacks in Mass Effect 1, 2 or 3

10 Gamerscore