By: BUBBLE GUM LLC
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CELESTAY is a calm idle building game where you fish for materials and grow your home toward the sky. In a world sunk beneath the sea, you stack pieces of a house and spend quiet days fishing and watching the stars. The higher you build, the more constellations and memories fill your world.
Mac · Oct 9, 2026
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Oct 9, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
11 achievements available.

Completed the building up to floor 100.
LockedSteam

Completed the building up to floor 20.
LockedSteam

Completed the building up to floor 40.
LockedSteam

Completed the building up to floor 60.
LockedSteam

Completed the building up to floor 80.
LockedSteam

Hidden until unlockedSteam

Caught every fish.
LockedSteam

Collected all mementos.
LockedSteam

Collected every block and fully upgraded all facilities.
LockedSteam

Collected every record.
LockedSteam

Fully upgraded every tool.
LockedSteam
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