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