Ninja Sudoku – Hints & Solver

Contains adsIn-app purchases
50K+
Downloads
Content rating
PEGI 3
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

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!
Updated on
Jul 31, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App info and performance and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What’s new

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.