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.
Conquer all areas in the second part of Chapter Three: Chaos and the Crown and receive a crystal!
Conquer all areas in Chapter Two: Hope and Prophecy and receive a crystal!
Conquer all areas in Chapter One: Blank Slate and receive a crystal!
Clear the second part of Chapter Three: Chaos and the Crown and receive a summon ticket!
Conquer all areas in the first part of Chapter Three: Chaos and the Crown and receive a crystal!
Clear the first part of Chapter Three: Chaos and the Crown and receive a summon ticket!
Clear Chapter Two: Hope and Prophecy and receive a summon ticket!
Clear Chapter One: Blank Slate and receive a summon ticket!
Clear The Runic Temple: Blank Slate and receive a summon ticket!
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 the prologue of Chapter Four: A New Light and receive a summon ticket!
Conquer all areas in the prologue of Chapter Four: A New Light and receive a crystal!
Clear the first part of Chapter Four: A New Light and receive a summon ticket!
Conquer all areas in the first part of Chapter Four: A New Light and receive a crystal!
Clear the second part of Chapter Four: A New Light and receive a summon ticket!
Conquer all areas in the second part of Chapter Four: A New Light and receive a crystal!
Clear Exploration Four: Albion Plateau and receive a summon ticket!
Conquer all areas in Exploration Four: Albion Plateau and receive a spirit ticket!
Clear the first part of Chapter Five: The Primeval Warrior and receive a summon ticket!
Conquer all areas in the first part of Chapter Five: The Primeval Warrior and receive a crystal!
Clear the second part of Chapter Five: The Primeval Warrior and receive a summon ticket!
Conquer all areas in the second part of Chapter Five: The Primeval Warrior and receive a crystal!
Clear the first part of Chapter Six and receive a summon ticket!
Conquer all areas in the first part of Chapter Six and receive a crystal!
Clear the second part of Chapter Six and receive a summon ticket!
Conquer all areas in the second part of Chapter Six and receive a crystal!
Clear Chapter Seven and receive a summon ticket!
Conquer all areas in Chapter Seven and receive a crystal!
Clear the Final Chapter - Ultimate Mobius and receive a summon ticket!
Conquer all areas in the Final Chapter - Ultimate Mobius and receive a crystal!