Updated Apr 7, 2026 · v4.0.4
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!
6 years on Google Play
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