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