Mass Effect 3 achievements

Acquire all trophies.

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

Investigate a strange occurrence in the combat simulator.

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

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

Complete all the Command Center side-missions on Omega.

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

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

Win a prize at one of the arcade games.

Kill 5,000 enemies.

Free Omega from Cerberus occupation.

Find the Talon leader.