★ Top Developer (awarded 2011, 2012, 2013 and 2015)★
Sharing the same top quality gameplay, graphics and interface as the rest of our app library, AI Factory's Sudoku is an essential download for any Sudoku or brain training fan! You never need a paper puzzle again!

- 1500 Sudoku puzzles over 5 difficulty levels, covering easy through to medium, hard, extreme levels.

- Super smooth interface and graphics.

- Statistics tracking, including fastest times, average times and completion % for each level.

- Optional hints and board aids.

- Two sets of Sudoku board art and fonts.

- Two different modes for notes input to cater for all playing styles.

- Undo supported.

- Suitable for both Phones and Tablets.

This free version is supported by 3rd party ads. Ads may use internet connectivity, and therefore subsequent data charges may apply. The photos/media/files permission is required to allow the game to save game data to external storage, and is sometimes used to cache ads.

Please feel free to contact us regarding any suggested improvements to Sudoku Free, using the support address below.

Recent changes:
We're changing our app names in line with new Google Play policies: "Sudoku Free" is now "Sudoku". "Sudoku" (paid version) is now "Sudoku Pro".