With multiple difficulty levels, players can choose the level that suits their abilities, whether they are a beginner or an advanced player. The game is played on a 9×9 grid, and the objective is to fill each row, column, and 3×3 box with the numbers 1 through 9 without repeating any numbers. This codebase gives you everything you need to release a basic Sudoku app with 4 difficulties.It’s a great foundation to start your Android App business on, and super simple!