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