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About Ninja Sudoku

Play 300,000+ Sudoku puzzles: Classic, Killer, X & Jigsaw with unlimited hints

Ninja Sudoku: The ultimate offline Sudoku app!

Enjoy classic Sudoku, Killer Sudoku, Jigsaw, and X Sudoku — over 300,000 puzzles from easy to expert. Play ad-free, scan puzzles with your camera, get unlimited smart hints, and improve your skills with built-in logic strategy explanations.

🧠 Features:

✓ 300,000+ puzzles in 5 difficulty levels

✓ No ads while playing

✓ Scan Sudoku from camera or image

✓ Play Classic, X, Jigsaw & Killer Sudoku

✓ Smart solver with logical step-by-step hints

✓ Clean UI, fast input, auto-candidates

✓ Notes, undo/redo, highlight duplicates

✓ Learn techniques: X-Wing, Y-Wing, Naked Pairs, and more

💡 Brain Boosting Benefits:

Playing Sudoku daily improves memory, reduces stress, and sharpens focus. It’s the perfect mental workout for all ages.

Install Ninja Sudoku now and train your brain the smart way — anytime, anywhere!

What's New in the Latest Version 4.0.2

Last updated on Aug 1, 2025

1. Add support for manual input for the custom game and solver.
2. Number first mode add feature to un-select selected number by tapping it again when selected.

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Additional Game Information

Latest Version

Request Ninja Sudoku Update 4.0.2

Uploaded by

Bass Chalermpharm

Requires Android

Android 7.0+

Available on

Get Ninja Sudoku on Google Play

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Ninja Sudoku Screenshots

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