ME2: Successfully recruit Archangel

ME2: Complete any research project in the Normandy's laboratory

ME2: Make 20 enemies scream as they fall or are set on fire

ME2: Perform 30 headshot kills with any weapon on humanoid targets

ME2: Save your crew from an overwhelming attack

Complete Mass Effect 1, 2 or 3 on Insanity without changing difficulty

ME1: Complete the game on any difficulty

Establish a romantic relationship in Mass Effect 1, 2 or 3

ME1: Complete the majority of the game

ME1: Complete Virmire

ME1: Accumulate 75% of total possible Paragon or Renegade points

ME1: Use Neural Shock 25 times

ME1: Use Charm or Intimidate to resolve an impossible situation