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