Full list of all 83 STRANGER OF PARADISE FINAL FANTASY ORIGIN achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Completed the additional mission "Distant Memories: Supreme Illusions."
Defeated Jack Garland.
Defeated Light of Order.
Defeated From Hell Risen.
Completed over thirty rift labyrinth floors.
Received an accessory from Gilgamesh.
Maxed out your affinity with the Tonberry Blacksmith.
Used replication at the blacksmith for the first time.
Acquired Garland's armor.
Obtained a relic with blessings from 12 different summons.
Defeated the Transcendent.
Defeated a manikin.
Maxed out your affinity with the discarded organic reconnaissance unit.
Defeated a death machine in the rift labyrinth.
Used dimension bringer.
Gave an elixir to a magic pot.
Completed the additional mission: "Chaos Rift - Battle on the Big Bridge."
Unlocked the blue mage.
Acquired all achievements.
Used a job crest at the smithy.
Encountered a chaos event.
Summoned your first monster.
Completed every side mission.
Completed the additional mission: "Ebon Memories: Hope Within Despair."
Unlocked the entirety of the evocation or ultima tree for any job.
Completed a floor of the rift labyrinth.
Achieved MASTER★★★★ rank for a job.
Completed the mission "Cornelia's Hope."
Unlocked the class tree.
Unlocked the summoner.
Acquired a rat tail.
Talked to Bahamut via Conversations with Bahamut.
Completed a mission with a dragon king trial enabled.
Completed the mission "Light of Possibility."
Completed a level 200 mission or higher on CHAOS difficulty.
Completed the game on CHAOS difficulty.
Acquired an anima crystal.
Unlocked every job affinity bonus for a single job.
Used a master point.
Acquired an artifact.
Unlocked all jobs.
Unlocked the cyclic warrior.
Completed "A Fraught Journey."
Completed "The Suffering of Fools."
Completed "Remembering Home."
Completed "Schemes of the Past."
Completed "Memories of Water."
Fully upgraded the special effect of a piece of equipment.
Completed "To Remember."
Completed "Memories of Earth."
Unlocked the assassin.
Completed "Phantoms of the Past."
Unlocked the tyrant.
Unlocked the liberator.
Unlocked the ninja.
Unlocked the paladin.
Completed "Memories of Fire."
Unlocked the void knight.
Used a weapon ability for the first time.
Unlocked the sage.
Completed "Memories of Poison."
Unlocked the dark knight.
Unlocked the gambler.
Unlocked the breaker.
Completed "Memories of Wind."
Equipped a ★4 or better accessory.
Completed "A Familiar Place."
Unlocked every panel in the marksman job tree.
Equipped a staff.
Equipped a gun.
Unlocked the hunter.
Unlocked the evoker.
Completed "Natural Distortion."
Completed "Audience with the Dark Elf."
Unlocked an advanced job.
Completed "The Journey Begins."
Completed a side mission.
Unlocked every panel in the job tree for a single job.
Completed "Illusion at Journey's End."
Defeated a tonberry.
Acquired an anima shard.
Defeated a cactuar.
Used soul burst for the first time.