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!