Test your Kuromasu (also known as Kurodoko or OhNo) puzzle solving skills.
The app contains no disruptive full-screen ads.
Levels range from easy to hard, with extreme difficulty coming soon.
Please feel free to check out our Sudoku apps!
Latest Version
1.1Requires Android
6.0
Category
Free Puzzle GameContent Rating
Everyone
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Flag as inappropriateLast updated on Dec 29, 2025
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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