Throw a party for your friends.

Unlocked: 21 Oct 2013 12:46 am

Win a prize at one of the arcade games.

Unlocked: 19 Oct 2013 05:05 am

Investigate a strange occurrence in the combat simulator.

Unlocked: 19 Oct 2013 04:31 am

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

Unlocked: 19 Oct 2013 03:37 am

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

Unlocked: 19 Oct 2013 03:37 am

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

Unlocked: 19 Oct 2013 02:42 am

Infiltrate an enemy stronghold with your crew.

Unlocked: 19 Oct 2013 02:16 am

Go undercover to follow a lead.

Unlocked: 19 Oct 2013 01:19 am

Discover a plot against you.

Unlocked: 18 Oct 2013 04:53 am

Free Omega from Cerberus Occupation.

Unlocked: 17 Oct 2013 05:14 am

Complete all the Command Center side-missions on Omega.

Unlocked: 17 Oct 2013 04:53 am

Find the Talon leader.

Unlocked: 16 Oct 2013 11:02 pm

Uncover an ancient secret.

Unlocked: 16 Oct 2013 09:06 pm

Rescue a civilian from Reaper forces.

Unlocked: 16 Oct 2013 07:50 pm

Investigate a sinister conspiracy.

Unlocked: 16 Oct 2013 07:01 pm

Use clues to pinpoint the exact location of an objective.

Unlocked: 16 Oct 2013 04:24 am

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

Unlocked: 6 Jun 2013 04:54 am

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

Unlocked: 6 Jun 2013 04:54 am

Hijack an Atlas mech.

Unlocked: 25 Apr 2012 02:06 am

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

Unlocked: 2 Apr 2012 10:19 am

Kill 5,000 enemies.

Unlocked: 30 Mar 2012 05:52 am

Obtain two non-customizable suits of armor.

Unlocked: 28 Mar 2012 02:23 pm

Overload the shields of 100 enemies.

Unlocked: 28 Mar 2012 02:35 am

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

Unlocked: 27 Mar 2012 09:39 pm

Upgrade any weapon to level 10.

Unlocked: 27 Mar 2012 09:16 pm

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

Unlocked: 26 Mar 2012 05:43 am

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

Unlocked: 26 Mar 2012 04:47 am

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

Unlocked: 26 Mar 2012 12:56 am

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

Unlocked: 26 Mar 2012 12:00 am

Kill 100 enemies with melee attacks.

Unlocked: 25 Mar 2012 02:08 am

Mission accomplished.

Unlocked: 15 Mar 2012 06:59 pm

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

Unlocked: 15 Mar 2012 06:59 pm

Make the final assault.

Unlocked: 15 Mar 2012 06:39 pm

Kill 1,000 enemies.

Unlocked: 15 Mar 2012 06:18 pm

Defeat an old adversary.

Unlocked: 15 Mar 2012 12:55 am

Send a warning across the galaxy.

Unlocked: 14 Mar 2012 07:36 pm

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

Unlocked: 14 Mar 2012 06:17 pm

Extract ancient technology.

Unlocked: 14 Mar 2012 05:27 pm

Complete three multiplayer matches or five N7 missions.

Unlocked: 14 Mar 2012 12:59 am

Call down an orbital strike.

Unlocked: 13 Mar 2012 11:48 pm

Disable a group of fighter squadrons.

Unlocked: 13 Mar 2012 10:50 pm

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

Unlocked: 13 Mar 2012 09:46 pm

Sabotage a dreadnought.

Unlocked: 13 Mar 2012 08:57 pm

Establish or rekindle a romantic relationship.

Unlocked: 13 Mar 2012 07:32 pm

Evacuate a scientific facility.

Unlocked: 13 Mar 2012 06:10 pm

Discover an enemy's monstrous origin.

Unlocked: 13 Mar 2012 05:09 pm

Win a political stand-off.

Unlocked: 11 Mar 2012 10:11 pm

Survive the swarm.

Unlocked: 11 Mar 2012 09:16 pm

Lift 100 enemies off the ground with powers.

Unlocked: 11 Mar 2012 07:37 pm

Explore a lost city.

Unlocked: 11 Mar 2012 06:28 pm

Complete one multiplayer match or two N7 missions.

Unlocked: 11 Mar 2012 05:25 pm

Perform any combination of 50 biotic combos or tech bursts.

Unlocked: 9 Mar 2012 11:45 pm

Defeat a harvester.

Unlocked: 9 Mar 2012 11:34 pm

Stop a Cerberus kidnapping.

Unlocked: 9 Mar 2012 11:05 pm

Kill 250 enemies.

Unlocked: 9 Mar 2012 11:00 pm

Destroy an Atlas dropped from orbit.

Unlocked: 9 Mar 2012 05:01 pm

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

Unlocked: 9 Mar 2012 03:36 pm

Bring a veteran officer aboard.

Unlocked: 9 Mar 2012 04:55 am

Kill a brute while it's charging you.

Unlocked: 9 Mar 2012 04:49 am

Escape a Reaper in the galaxy map.

Unlocked: 8 Mar 2012 01:37 am

Learn more about the Prothean Empire.

Unlocked: 8 Mar 2012 01:11 am

Set 100 enemies on fire with powers.

Unlocked: 8 Mar 2012 12:56 am

Visit a store in the single-player campaign.

Unlocked: 7 Mar 2012 10:27 pm

Chase down an assassin.

Unlocked: 7 Mar 2012 10:02 pm

Modify a weapon.

Unlocked: 7 Mar 2012 09:34 pm

Evolve any of your powers to rank 6.

Unlocked: 7 Mar 2012 08:24 pm

Return to active duty.

Unlocked: 7 Mar 2012 08:20 pm

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

Unlocked: 7 Mar 2012 07:45 pm