Sudoku - Classic is a free puzzle game available for Android devices. With over 10,000 Sudoku puzzles to choose from, this app is perfect for Sudoku enthusiasts who want to challenge their brains. The game offers five levels of difficulty - Super Easy, Easy, Medium, Hard, and Evil - so players of all skill levels can enjoy the game.

One of the best features of Sudoku - Classic is that it is completely free and does not contain any advertisements. This means that players can enjoy the game without any distractions. The app also allows players to choose from different color schemes to customize the game's appearance. Additionally, players can pause and resume their Sudoku games, making it easy to play on-the-go.

Overall, Sudoku - Classic is a great app for Sudoku fans looking for a challenging and customizable puzzle game. With thousands of puzzles to choose from and different difficulty levels, players will never run out of Sudoku puzzles to solve.