Classic Sudoku is a game that offers an exciting and challenging puzzle experience for users of all ages. The app is designed to provide a classic Sudoku experience with a modern touch, featuring intuitive gameplay, and an easy-to-use interface.The game is based on the traditional Sudoku puzzle, which involves a 9x9 grid of cells that are divided into nine smaller 3x3 grids. The objective of the game is to fill in the empty cells with the numbers 1 to 9 in such a way that each row, column, and 3x3 grid contains all the digits from 1 to 9 without any repetition.The app provides users with a range of difficulty levels to choose from, making it suitable for beginners and advanced players alike. Users can choose to play easy, normal, hard or very hard puzzles.The app includes various features to enhance the gameplay experience, such as auto-check, which highlights incorrect answers in real-time, and a hint function that gives to user the sollution of the selected box. The app also features a time tracking function, allowing users to compete against themselves for the fastest time.There is also the ability to enable dark theme for less power consumption.