Defeat 20 enemies with hand-to-hand combat

The player has successfully hacked a security camera

Finish the game in Easy Mode

Defeat 100 enemies with headshots

Defeat 20 enemies with gunfire by aiming while hanging

Kill 50 enemies with the SAS - 12

Land on an uncharted world

Survive the events at the wedding.

Increase Harry’s abilities up a level for the first time.

Become a Spectre

Keep your team alive through the suicide mission

Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1