Last 7 days ยท history since Nov 7, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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80% positive of 21 ยท Positive ยท Live from Steam
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A real-time 3D space simulator and interactive planetarium. Travel to any planet, moon, star, or galaxy and view it from any point in space and time. Accelerate time, land on alien worlds, and expand the universe with community-made add-ons.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 80% on 2026-11-03 โ 80% today (21 reviews)
No changes recorded yet.
No authorized Steam key store lists this game right now.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Due to maintenance cost and several other reasons, Celestia will leave Steam in the coming months. Please do not purchase new copies of it. If you have recently purchased a copy, please consider requesting a refund from Steam.For latest news on Celestia, pleasโฆ