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.

Complete all the Command Center side-missions on Omega.

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

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.