This is the number one Sudoku app in Brain & Puzzle for a good reason!

You won’t be looking for a paper puzzle ever again!

With 5 difficulty levels, intuitive interface, and all the functions right at your fingertips, this Sudoku app is sure to be your favorite. Interrupted? Exit Sudoku, and the puzzle is saved exactly as you see it!

* Unlimited puzzles
* 5 levels - easy, medium, hard, expert, insane
* Pencil marks
* Auto-save
* Local and Online Leaderboards
* Statistics tracking, including fastest times, average times and completion % for each level.
* "Newspaper" mode. It is possible to create and play one's own Sudoku rather than let the application search for a puzzle. If you like a particular Sudoku, for example one that is printed in the newspaper, you can easily capture it and play it with our app. It is even possible to take a photo of the puzzle and let the app recognize it automatically. This way you can play paper puzzles just in a matter of seconds.

Learn and improve.

Help humankind by playing this game. For each day that you play, we will donate a portion of the revenues to measures that save lives and relieve the suffering of people in emergency situations. We support emergency medical care where it is needed most and are committed to affordable, high quality medicines for the world's poorest people.