Play the popular number-puzzle game for free!

If you appreciate free stuff and want to keep your mind sharp, then consider downloading Sudoku Gratis. This app features every aspect of Sudoku that you can enjoy in a newspaper or a game book, but you can engage with it faster than you would a paper version.

Sudoku Gratis offers endless available setups, difficulty-level adjustments, savable games, a Pause button, a scratch pad, size options and some color choices. Its interface operates hiccup-free, and the app runs best on a tablet or smartphone that is driven by Android 3.0 or a later release.