Here is the full list of all 52 Open Sorcery: Sea++ achievements.
Compile your first spell.
Emerge from the darkness of the ocean.
Repair and travel in your own webship.
Resolve the hauntings on the Abyssal Plain.
Win at Protagonist Blackjack.
Win at Topple the Tower.
Win at Tarot War.
Reach the center of the Bit Torrent.
Travel to the Wailing Pit.
Convince an angel to use gender neutral pronouns for God.
Visit a location that is deeper than the Depths.
Reach the bottom of the Wailing Pit.
Find the treasure inside the Riddle Cache.
Learn ASL from the Sirens in Geisthome.
Recover and repair my wheelchair.
Have a form APPROVED by the Hall of Edicts.
Return Peep to his mother.
Skillfully sabotage a tower at the DoS Site in Fiddler's Green.
Climb at least partway up Mount Olympus.
Get an animal companion to help you cast a spell.
Travel to the Underworld in the conventional way.
Irritate Charon.
Rescue Susan but recover none of her memories.
Learn a spell of prophesy.
Learn a spell of translation.
Learn a spell of silence.
Learn a spell of alluring dreams.
Learn a spell of fretful sleep.
Learn a spell related to your scarf.
Learn a spell of opening.
Learn a spell of power.
Learn a spell of anguish.
Collect the Light Prophecy.
Collect the Dark Prophecy.
Collect the Fire Prophecy.
Collect the Water Prophecy.
Collect the Air Prophecy.
Collect the Earth Prophecy.
Visit the Future.
Deliver all the Prophesies.
Acquire the octopus as a permanent companion.
Retrieve the Selkie's skin from the Packet Rat and return it to him.
Return her to her truer form.
Retrieve a fairy noble from dire peril in the Deep Web.
Actually accurately solve the murder of Brokk Blacktree to Mab's satisfaction.
Teach the natives of Fiddler's Green to destroy the DoS Site.
Recover all of Susan's memories.
Learn the spells Strength and Pain in the same run.
Kill BAL/E.
Submit a form for review without cheating.
Learn a spell of deferring pain.
Learn a spell of vengeance