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