Successfully pursue a relationship with a teammate

Rescue Dr. Amanda Kenson without attracting hostile attention ("Arrival" downloadable content)

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

Make the final assault.

Defeat an old adversary.

Kill a brute while it's charging you.

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

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

Survive the swarm.

Disable a group of fighter squadrons.

Complete DNA Sequence 9.

Complete DNA Sequence 7.

Complete DNA Sequence 6.