Here is the full list of all 35 Mobius Final Fantasy achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Clear Exploration One: Silent Ruins and receive a summon ticket!
Conquer all areas in Exploration One: Silent Ruins and receive a spirit ticket!
Clear Exploration Two: El Dorado, the Forgotten City and receive a summon ticket!
Conquer all areas in Exploration Two: El Dorado, the Forgotten City and receive a spirit ticket!
Clear Exploration Three: Hunter's Island and receive a summon ticket!
Conquer all areas in Exploration Three: Hunter's Island and receive a spirit ticket!
Clear Exploration Four: Albion Plateau and receive a summon ticket!
Conquer all areas in Exploration Four: Albion Plateau and receive a spirit ticket!