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