Learning Sudoku is a free, educational game that can be downloaded on your mobile device. It's designed to teach you how to solve Sudoku, the most popular puzzle game in the world.

You can choose from over 1000 different puzzles, divided into five categories: beginner, intermediate, advanced, intermediate-to-advanced, and nightmare. Each category contains a number of puzzles that are increasing in difficulty as you move forward in the game. So if you're looking for a challenge, pick the right category and start learning.

Once you've chosen a puzzle, it's time to start playing. Just tap the puzzle and start solving. The game is divided into five sections: the introduction, the basics, the theory, intermediate, and advanced. Each section contains a number of chapters that will help you learn how to solve Sudoku.