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