- Principled
ME1: Accumulate 75% of total possible Paragon or Renegade points
2 guides
- Soldier Ally
ME1: Complete 5 missions with the Alliance soldier squad member
1 guide
- Sentinel Ally
ME1: Complete 5 missions with the Alliance sentinel squad member
1 guide
- Krogan Ally
ME1: Complete 5 missions with the krogan squad member
1 guide
- Turian Ally
ME1: Complete 5 missions with the turian squad member
1 guide
- Quarian Ally
ME1: Complete 5 missions with the quarian squad member
1 guide
- Asari Ally
ME1: Complete 5 missions with the asari squad member
1 guide
- Archivist
ME1: Find all primary Alien: Council Races, Extinct Races and Non-Council Races codex entries
1 guide
- Medal of Exploration I
ME1: Land on an uncharted world
1 guide
- Medal of Exploration II
ME1: Land on 4 uncharted worlds
2 guides
- Medal of Exploration III
ME1: Land on 8 uncharted worlds
2 guides
- Lift Mastery
ME1: Use biotic Lift 25 times
1 guide
- Barrier Mastery
ME1: Use biotic Barrier 25 times
1 guide
- Throw Mastery
ME1: Use biotic Throw 25 times
1 guide
- Warp Mastery
ME1: Use biotic Warp 25 times
1 guide
- Singularity Mastery
ME1: Use biotic Singularity 25 times
1 guide
- Stasis Mastery
ME1: Use biotic Stasis 25 times
2 guides
- AI Hacking Specialist
ME1: Use AI Hacking 25 times
5 guides
- Damping Specialist
ME1: Use Damping Field 25 times
1 guide
- Electronics Specialist
ME1: Use Shield Overload 25 times
2 guides
- Sabotage Specialist
ME1: Use Sabotage 25 times
2 guides
- First Aid Specialist
ME1: Use medi-gel 50 times
2 guides
- Neural Shock Specialist
ME1: Use Neural Shock 25 times
1 guide
- Colonial Savior
ME1: Complete the Bring Down the Sky mission.
1 guide
- Mission Accomplished
ME2: Save humanity throughout the galaxy from certain annihilation
1 guide
- Missing in Action
ME2: Save your crew from an overwhelming attack
1 guide
- Very Elusive
ME2: Return to active duty
1 guide
- Colony Defense
ME2: Defend a human colony from attack
1 guide
- Ghost Ship
ME2: Complete the investigation of a derelict alien vessel
1 guide
- Suicide Mission
ME2: Use the Omega 4 Relay
- Against All Odds
ME2: Survive suicide mission
1 guide
- No One Left Behind
ME2: Keep your team alive through the suicide mission
3 guides
- Friend or Foe
ME2: Obtain geth technology
1 guide
- The Archangel
ME2: Successfully recruit Archangel
1 guide
- The Assassin
ME2: Successfully recruit the Assassin
1 guide
- The Convict
ME2: Successfully recruit the biotic Convict
1 guide
- The Justicar
ME2: Successfully recruit the Justicar
1 guide
- The Krogan
ME2: Successfully recruit the krogan
1 guide
- The Professor
ME2: Successfully recruit the Professor
1 guide
- The Quarian
ME2: Successfully recruit the quarian
1 guide
- A House Divided
ME2: Hack a geth collective
1 guide
- Battlemaster
ME2: Gain the loyalty of the krogan
1 guide
- Cat's in the Cradle
ME2: Gain the loyalty of the Assassin
2 guides
- Catharsis
ME2: Gain the loyalty of the biotic Convict
1 guide
- Doppelganger
ME2: Help the Justicar resolve her mission
1 guide
- Fade Away
ME2: Gain the loyalty of Archangel
2 guides
- Ghost of the Father
ME2: Gain the loyalty of the Cerberus Operative
1 guide
- The Cure
ME2: Gain the loyalty of the Professor
1 guide
- The Prodigal
ME2: Gain the loyalty of the Cerberus Officer
1 guide
- Treason
ME2: Gain the loyalty of the quarian
2 guides
- Big Game Hunter
ME2: Thresher Maw defeated
2 guides
- Head Hunter
ME2: Perform 30 headshot kills with any weapon on humanoid targets
1 guide
- Incineration Specialist
ME2: Incinerate the armor of 25 enemies
2 guides
- Merciless
ME2: Make 20 enemies scream as they fall or are set on fire
1 guide
- Overload Specialist
ME2: Disrupt the shields of 25 enemies
2 guides
- Tactician
ME2: Hit 20 different targets with multiple biotic powers to combine the effects
1 guide
- Warp Specialist
ME2: Warp the barriers of 25 enemies
3 guides
- Agent
ME2: Complete 5 missions discovered by scanning unexplored worlds
1 guide
- Galactic Explorer
ME2: Visit 100% of the planets in an unexplored cluster
2 guides
- Operative
ME2: Complete a mission discovered by scanning an unexplored world
1 guide
- Scientist
ME2: Complete any research project in the Normandy's laboratory
1 guide
- Weapon Specialist
ME2: Fully upgrade a weapon
1 guide
- Scholar
ME2: Unlock 15 new Mass Effect 2 codex entries
- Power Full
ME2: Evolve any power
1 guide
- Revenge!
ME2: Gain the loyalty of the mercenary
1 guide
- Broke, Blind, and Bedlam
ME2: Gain the loyalty of the thief
1 guide
- Digital Exorcist
ME2: Successfully shut down the rogue VI in Project Overlord
- Heart of Darkness
ME2: Confront the Shadow Broker
1 guide
- Driven
ME3: Return to active duty
1 guide
- Bringer of War
ME3: Chase down an assassin
1 guide
- Mobilizer
ME3: Bring a veteran officer aboard
1 guide
- World Shaker
ME3: Destroy an Atlas dropped from orbit
1 guide
- Pathfinder
ME3: Explore a lost city
1 guide
- Tunnel Rat
ME3: Survive the swarm
1 guide
- Party Crasher
ME3: Sabotage a dreadnought
1 guide
- Hard Target
ME3: Call down an orbital strike
1 guide
- Saboteur
ME3: Disable a group of fighter squadrons
1 guide
- Arbiter
ME3: Win a political stand-off
1 guide
- Last Witness
ME3: Extract ancient technology
1 guide
- Executioner
ME3: Defeat an old adversary
1 guide
- Well Connected
ME3: Send a warning across the galaxy
1 guide
- Fact Finder
ME3: Discover an enemy's monstrous origin
1 guide
- Liberator
ME3: Stop a Cerberus kidnapping
1 guide
- Problem Solver
ME3: Evacuate a scientific facility
1 guide
- Patriot
ME3: Make the final assault
1 guide
- Legend
ME3: Mission accomplished
1 guide
- Shopaholic
ME3: Visit a store on the Citadel
1 guide
- Master and Commander
ME3: Deliver most of the Galaxy at War assets to the final conflict
1 guide
- Lost and Found
ME3: Dispatch 10 probes to retrieve people or resources in Reaper territory
1 guide
- A Personal Touch
ME3: Modify a weapon
1 guide
- Combined Arms
ME3: Perform any combination of 50 biotic combos or tech bursts
2 guides
- Focused
ME3: Evolve any of your powers to rank 6
1 guide
- Untouchable
ME3: Escape a Reaper in the galaxy map
1 guide
- Shield Breaker
ME3: Overload the shields of 100 enemies
2 guides
- Sky High
ME3: Lift 100 enemies off the ground with powers
4 guides
- Pyromaniac
ME3: Set 100 enemies on fire with powers
4 guides
- Eye of the Hurricane
ME3: Kill a brute while it's charging you
1 guide
- Mail Slot
ME3: Kill 10 guardians with headshots from the front while their shields are raised
1 guide
- Hijacker
ME3: Hijack an Atlas mech
2 guides
- Giant Killer
ME3: Defeat a harvester
1 guide
- Always Prepared
ME3: Obtain two non-customizable suits of armor
2 guides
- Gunsmith
ME3: Upgrade any weapon to level 10
2 guides
- Under Pressure
ME3: Uncover an ancient secret
1 guide
- Savior
ME3: Free Omega from Cerberus Occupation
1 guide
- Last Resort
ME3: Stop an out-of-control scheme before it's too late
1 guide
- The One and Only
ME3: Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity
2 guides
- Insanity I
Complete Mass Effect 1, 2 or 3 on Insanity without changing difficulty
3 guides
- Insanity II
Complete two games in Mass Effect Legendary Edition on Insanity without changing difficulty
1 guide
- Insanity III
Complete all three games in Mass Effect Legendary Edition on Insanity without changing difficulty
3 guides
- Paramour I
Establish a romantic relationship in Mass Effect 1, 2 or 3
1 guide
- Paramour II
Establish or rekindle a romantic relationship in two games in Mass Effect Legendary Edition
3 guides
- Paramour III
Establish or rekindle a romantic relationship in all three games in Mass Effect Legendary Edition
2 guides
- Long Service Medal
Finish Mass Effect 1, 2 and 3 with the same character
1 guide
- Recruit
Kill 250 enemies in Mass Effect 1, 2 or 3
1 guide
- Soldier
Kill 1,000 enemies in Mass Effect 1, 2 or 3
1 guide
- Veteran
Kill 2,000 enemies in Mass Effect 1, 2 or 3
3 guides
- Bruiser
Kill 100 enemies with melee attacks in Mass Effect 1, 2 or 3
4 guides