Neural Shock Specialist
Not unlocked yetME1: Use Neural Shock 25 times
Meritorious Service Medal
Not unlocked yetME1: Complete Ilos
Completionist
Not unlocked yetME1: Complete the majority of the game
Medal of Exploration II
Not unlocked yetME1: Land on 4 uncharted worlds
Medal of Exploration III
Not unlocked yetME1: Land on 8 uncharted worlds
Soldier Ally
Not unlocked yetME1: Complete 5 missions with the Alliance soldier squad member
Krogan Ally
Not unlocked yetME1: Complete 5 missions with the krogan squad member
Quarian Ally
Not unlocked yetME1: Complete 5 missions with the quarian squad member
Asari Ally
Not unlocked yetME1: Complete 5 missions with the asari squad member
Principled
Not unlocked yetME1: Accumulate 75% of total possible Paragon or Renegade points
Colonial Savior
Not unlocked yetME1: Complete the Bring Down the Sky mission.
Mission Accomplished
Not unlocked yetME2: Save humanity throughout the galaxy from certain annihilation
Missing in Action
Not unlocked yetME2: Save your crew from an overwhelming attack
Very Elusive
Not unlocked yetME2: Return to active duty
Colony Defense
Not unlocked yetME2: Defend a human colony from attack
Ghost Ship
Not unlocked yetME2: Complete the investigation of a derelict alien vessel
Suicide Mission
Not unlocked yetME2: Use the Omega 4 Relay
Against All Odds
Not unlocked yetME2: Survive suicide mission
No One Left Behind
Not unlocked yetME2: Keep your team alive through the suicide mission
Friend or Foe
Not unlocked yetME2: Obtain geth technology
The Archangel
Not unlocked yetME2: Successfully recruit Archangel
The Assassin
Not unlocked yetME2: Successfully recruit the Assassin
The Convict
Not unlocked yetME2: Successfully recruit the biotic Convict
The Justicar
Not unlocked yetME2: Successfully recruit the Justicar