A free app for Android, by Rubicon Development.

We’re proud to present to you the best Sudoku game you’ve never played before!

Our game is different from the others because we not only give you a great game, but we also give you the tools to help you improve your skills and become a force to be reckoned with in the Sudoku world.

We have the most authentic and best random Sudoku puzzle generator available on the market.

We have various difficulty settings so you can train your brain to the max.

You can also send a challenge to a friend to see if he/she can beat your time for the same identical puzzle.