Exercise your brain, enjoy Sudoku! With hints that teach and daily games at 16 levels you will love Sudoku. Supports phones and tablets. Our Sudoku tutorial, extensive feature set, and advanced multi-stage hint system offer something for everyone. The more you play, the more you will enjoy Sudoku!

For unlimited puzzles, check out our other Sudoku product: Enjoy Sudoku (paid).

Our multi-stage hint system starts with a gentle reminder to get you back on track and works up to an illustration of the exact technique to use and how it applies to the current board. Use our hints to ease those frustrating moments and to learn how to be a better player.

Features include:

* Daily puzzles at 17 difficulty levels
* Tutorial teaches you new techniques
* UI optimized for fewer touches
* Supports phones and tablets
* Multi-level undo and redo
* Automatic or manual pencil marks
* Supports keyboard and trackball
* Large easy to read digits
* Advanced techniques, including X-Wings,
sashimi fish, and coloring
* Choice of six color schemes
* Save your game while you try alternatives
* Highlighting helps you discover patterns
* Game clock; compares your time to others
* Avoids graphic frills that distract
* Choice of digit styles, including
Kanji and Hanzi

All games are true Sudoku, with symmetry and a single solution that can be discovered by logic alone. If you doubt that a Sudoku puzzle can be solved by logic, simply have the hint system explain it to you step by step.

If you enjoy Sudoku daily, this is the app for you!

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