Get all Trophies.

Shoot the deer head trophy in the Admiral's Quarters.

Craft a Weapon.

Complete the Prologue.

Find 5 sub-weapon drivers

Defeat Tempest

Win your first encounter against Neith

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

Make the final assault.

Kill all the Reds on the THE CHASE level.

Kill all armed enemies on the REVOLUTION level, including all reinforcements.

Complete the game without killing any Humans unless forced to.

Use all Musical Instruments in the game.