ME3: Visit a store on the Citadel.

ME3: Kill 10 guardians with headshots from the front while their shields are raised.

ME3: Return to active duty.

Establish or rekindle a romantic relationship in two games in Mass Effect Legendary Edition

ME2: Acquire all trophies

Complete two games in Mass Effect Legendary Edition on Insanity without changing difficulty

ME2: Use the Omega 4 Relay

ME2: Gain the loyalty of the quarian

ME2: Gain the loyalty of the Cerberus Officer

ME2: Gain the loyalty of Archangel

ME2: Fully upgrade a weapon

ME2: Gain the loyalty of the krogan