Announcement
v2.6av2.6a - Late Game Changes
Summary Pyramidion Quest requirement down to 110 Stars from 120. New clues for Frozen Spire A1. Fixed a bug where a post 120 star cutscene was triggering inconsistently. Full Notes Here
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Isles of Sea and Sky
Also known as Isles of Sea and Sky, iosas, isles of sea and sky
A fantastic, oceanic, open world puzzle adventure. Solve innovative block puzzles while unearthing a mystifying story, gaining new friends that change the puzzle landscape, and unlocking powers that provide more options for how you choose to progress through the enigmatic Isles of Sea and Sky.
Last update
5 Jul 2026
Players now
56
Latest update
Update history
Browse past updates and patch notes for this game.
24 updates
June 2026
- v2.6 - Hotfixes25 Jun Fixed a bug where the game would freeze on Frozen Spire D1 when an air elemental threw a fire elemental. Fixed a bug where metal blocks were duplicating under certain conditions. 29 Jun Fixed a bug where the game…
- v2.6Summary: Pyramidion quest locked behind 120 110 stars for new files. (See v2.6a notes in the link below). Frozen Spire meta puzzle improvements. Performance optimization. UI improvements. Bug fixes. Full Update Notes
May 2026
- Amazing Discount and Bundles during Cerebral Puzzle Showcase!Greetings turtle riders! Cerebral Puzzle Showcase kicks off today and to celebrate, Isles of Sea and Sky will be 80% off until June 4! We also have some incredible bundles to check out: Not What Youd Expect Mysterious I…
December 2025
- v2.5e - HotfixFixed a crash that would occur during a compatibility check for certain older files at startup.
November 2025
- v2.5d - Options Menu Lag Fix, Minor ChangesBugs Fixed an incorrect translation for "Sea Nunatak" in Korean. Fixed a visual bug in which the player sprite was cut in half while riding the sea turtle. Gameplay Added a platform to the lower multi-artifact puzzle in…
- v2.5c - Bug FixesFixed an issue that caused some players to encounter incorrect story cutscenes under certain conditions. Fixed a crash at startup that could occur with some older save files.
October 2025
- v2.5b - HotfixFixed a data validation issue with the Volcano Idol meta puzzle. Fixed a data validation issue that could cause a crash on Ancient B2 when teleporting from a god room. Fixed a false infinite loop trigger that would kill…
- v2.5a - HotfixFixed a bug that could cause the Raging Volcano idol puzzle (D4) to be unsolvable under certain conditions on old save files. Fixed a bug that prevented the Frozen Spire glyph puzzle (A1) from being solved on the first…
September 2025
- v2.5Summary: The Serpent Stacks now has a map screen available. Deleting a save file now requires confirmation. Frozen Spire meta puzzle: Glyphs for the correct solutions can now be input in any order on any of the 3 panels…
- v2.4a - Bug FixesThis update includes several important bug fixes and a slight change to one of the secret pyramidion quests: https://steamcommunity.com/app/1233070/discussions/0/596285654384513342/
- v2.4 - Game Polish, Accessibility, Bug FixesSummary: Added some features and polishing up to the Volcano Idol puzzle in an attempt to improve accessibility and improve readability without changing the puzzle itself. Added more visual clues to the Eastern Shoal. M…
Gallery
In-game media
Achievements
Community progression
Top picks from 21 Steam achievements, sorted by player unlock rates.
- Turtle RiderHidden93.8%
- Rock ClimberVisit the Stoney Cliffs.92.6%
- Rock and RollHidden82.0%
- TidepoolerVisit the Tidal Reef.76.4%
- FirewalkerVisit the Raging Volcano.65.0%
- Slip and SlideHidden63.9%