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