Send a warning across the galaxy.

Unlocked: 1 Dec 2020 02:19 am

Finish all multiplayer maps or all N7 missions in single-player.

Unlocked: 1 Dec 2020 01:52 am

Kill 1,000 enemies.

Unlocked: 1 Dec 2020 01:51 am

Extract ancient technology.

Unlocked: 1 Dec 2020 01:30 am

Complete three multiplayer matches or five N7 missions.

Unlocked: 30 Nov 2020 01:41 am

Dispatch 10 probes to retrieve people or resources in Reaper territory.

Unlocked: 30 Nov 2020 01:09 am

Discover an enemy's monstrous origin.

Unlocked: 29 Nov 2020 11:27 pm

Evacuate a scientific facility.

Unlocked: 29 Nov 2020 10:53 pm

Hijack an Atlas mech.

Unlocked: 29 Nov 2020 10:51 pm

Kill 100 enemies with melee attacks.

Unlocked: 29 Nov 2020 10:37 pm

Call down an orbital strike.

Unlocked: 29 Nov 2020 10:19 pm

Disable a group of fighter squadrons.

Unlocked: 29 Nov 2020 09:52 pm

Overload the shields of 100 enemies.

Unlocked: 29 Nov 2020 07:42 pm

Sabotage a dreadnought.

Unlocked: 29 Nov 2020 06:40 pm

Obtain two non-customizable suits of armor.

Unlocked: 29 Nov 2020 05:49 pm

Win a political stand-off.

Unlocked: 29 Nov 2020 05:40 pm

Explore a lost city.

Unlocked: 29 Nov 2020 05:08 pm

Kill a brute while it's charging you.

Unlocked: 29 Nov 2020 05:06 pm

Defeat a harvester.

Unlocked: 29 Nov 2020 04:08 pm

Survive the swarm.

Unlocked: 29 Nov 2020 03:16 am

Kill 250 enemies.

Unlocked: 29 Nov 2020 02:34 am

Start a character in multiplayer or customize a character in single-player.

Unlocked: 27 Nov 2020 02:43 am

Destroy an Atlas dropped from orbit.

Unlocked: 9 Aug 2016 10:46 pm

Bring a veteran officer aboard.

Unlocked: 9 Aug 2016 09:49 pm

Modify a weapon.

Unlocked: 9 Aug 2016 09:23 pm

Evolve any of your powers to rank 6.

Unlocked: 28 Jul 2016 04:52 am

Return to active duty.

Unlocked: Offline

Chase down an assassin.

Unlocked: Offline

Stop a Cerberus kidnapping.

Unlocked: Offline

Visit a store in the single-player campaign.

Unlocked: Offline

Perform any combination of 50 biotic combos or tech bursts.

Unlocked: Offline

Escape a Reaper in the galaxy map.

Unlocked: Offline

Set 100 enemies on fire with powers.

Unlocked: Offline

Complete one multiplayer match or two N7 missions.

Unlocked: Offline

Defeat an old adversary.

Make the final assault.

Mission accomplished.

Deliver most of the Galaxy at War assets to the final conflict.

Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.

Finish the game on Insanity without changing difficulty after leaving Earth.

Establish or rekindle a romantic relationship.

Kill 5,000 enemies.

Attain the highest level of readiness in each theater of war.

Lift 100 enemies off the ground with powers.

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

Upgrade any weapon to level 10.

Reach level 15 in multiplayer or level 50 in single-player.

Reach level 20 in multiplayer or level 60 in single-player.

Promote a multiplayer character to the Galaxy at War or import an ME3 character.

Finish all multiplayer maps on Gold or all single-player missions on Insanity.

Find all required intel to help Eden Prime's colonists.

Learn more about the Prothean Empire.

Investigate a sinister conspiracy.

Uncover an ancient secret.

Use clues to pinpoint the exact location of an objective.

Rescue a civilian from Reaper forces.

Free Omega from Cerberus Occupation.

Find the Talon leader.

Complete all the Command Center side-missions on Omega.

Discover a plot against you.

Go undercover to follow a lead.

Infiltrate an enemy stronghold with your crew.

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

Throw a party for your friends.

Win a prize at one of the arcade games.

Investigate a strange occurrence in the combat simulator.

Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.

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