Last 7 days · history since Nov 1, 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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91% positive of 24 · Positive · Live from Steam
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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: 91% on 2026-11-01 → 91% today (24 reviews)
No authorized Steam key store lists this game right now.
1 item on Steam, newest first.

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.
Hello guys, today we are releasing a big update for Koo & Yuu. The package contains: + New free DLC, released after completing all previous phases. + 3 new color backgrounds. + 3 new hidden achievements. And bug fixes reported by the community.
New steam achievements for you. Best of all, you won't have to play the levels again to get the achievements that should already be gained. And also some bug fixes in the last levels. Thanks for playing and encouraging the creators of Koo & Yuu. 2020 will be a…
Rendering and puzzle bugs resolved. Steam cloud now available. Your old saves will not be affected and you can now take your save to other devices!
Koo & Yuu is on sale. You can purchase it now with a 20% discount. After the promotion the game will go through an update with a new free DLC and port for Linux. Enjoy and have fun.