Auf xbox360achievements.org wurde eine Liste mit insgesamt 50 Xbox-Achievements geleaked. Die meisten Punkte (75), gibt es für das durch spielen von Mass Effect 3 auf der höchsten Schwierigkeitsstufe. Für alle Achievements, wird kein Kinect benötigt.
ACHTUNG: SPOILER!
- Driven (5) – Return to active duty.
- Bringer of War (10) – Chase down an assassin.
- Mobilizer (15) – Bring a veteran officer aboard.
- World Shaker (15) – Destroy an Atlas dropped from orbit.
- Pathfinder (15) – Explore a lost city.
- Tunnel Rat (15) – Survive the swarm.
- Party Crasher (15) – Sabotage a dreadnought.
- Hard Target (15) – Call down an orbital strike.
- Saboteur (15) – Disable a group of fighter squadrons.
- Arbiter (25) – Win a political stand-off.
- Last Witness (25) – Extract ancient technology.
- Executioner (25) – Defeat an old adversary.
- Well Connected (15) – Send a warning across the galaxy.
- Fact Finder (15) – Discover an enemy’s monstrous origin.
- Liberator (15) – Stop a Cerberus kidnapping.
- Problem Solver (15) – Evacuate a scientific facility.
- Patriot (25) – Make the final assault.
- Legend (50) – Mission accomplished.
- Shopaholic (10) – Visit a store in the single-player campaign.
- Master and Commander (50) – Deliver most of the Galaxy at War assets to the final conflict.
- Lost and Found (25) – Dispatch 10 probes to retrieve people or resources in Reaper territory.
- Long Service Medal (50) – Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.
- Insanity (75) – Finish the game on Insanity without changing difficulty after leaving Earth.
- A Personal Touch (10) – Modify a weapon.
- Paramour (25) – Establish or rekindle a romantic relationship.
- Combined Arms (25) – Perform any combination of 50 biotic combos or tech bursts.
- Focused (25) – Evolve any of your powers to rank 6.
- Recruit (10) – Kill 250 enemies.
- Soldier (15) – Kill 1,000 enemies.
- Veteran (25) – Kill 5,000 enemies.
- Bruiser (10) – Kill 100 enemies with melee attacks.
- Untouchable (10) – Escape a Reaper in the galaxy map.
- Defender (25) – Attain the highest level of readiness in each theatre of war.
- Overload Specialist (15) – Overload the shields of 100 enemies.
- Sky High (15) – Lift 100 enemies off the ground with powers.
- Pyromaniac (15) – Set 100 enemies on fire with powers.
- Eye of the Hurricane (10) – Kill a brute while it’s charging you.
- Mail Slot (10) – Kill 10 guardians with headshots from the front while their shields are raised.
- Hijacker (10) – Hijack an Atlas mech.
- Giant Killer (10) – Defeat a harvester.
- Enlisted (5) – Start a character in multiplayer or customize a character in single-player.
- Tour of Duty (20) – Finish all multiplayer maps or all N7 missions in single-player.
- Always Prepared (10) – Obtain two non-customizable suits of armour.
- Tourist 5 Complete one multiplayer match or two N7 missions.
- Explorer (15) – Complete three multiplayer matches or five N7 missions.
- Gunsmith (25) – Upgrade any weapon to level 10.
- Almost There (15) – Reach level 15 in multiplayer or level 50 in single-player.
- Peak Condition (25) – Reach level 20 in multiplayer or level 60 in single-player.
- Battle Scarred (25) – Promote a multiplayer character to the Galaxy at War or import an ME3 character.
- Unwavering (50) – Finish all multiplayer maps on Gold or all single-player missions on Insanity.
Quelle: http://www.xbox360achievements.org/game/mass-effect-3/achievements/