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