📝 Classic Sudoku PRO is an addictive Brain Sudoku game for beginners and experts, Four perfectly balanced difficulty levels from sudoku beginner to sudoku expert. 🧠 Sudoku is a logic-based, combinatorics digit input puzzle game of numbers, the goal is to place 1 to 9 digit numbers into each grid cell so that each number can only appear once in each row, each column and each mini-grid. Become more intelligent by playing this game regularly. Concentrate and Analyze each brainteaser digit puzzle to finish the game. 🎨 Thousands of beautifully hand crafted boards, multiple variations puzzle, ranging from beginner to extremely difficult boards, are packed full of logic and entertainment and will take your Sudoku experience to a different level. Each board presents a unique twist of brain challenging logic. 🛡️ 100% FULL GAME: No advertising, No collection of personal data, No in-app purchases & No Internet required! 🎮 Support PC & XBOX : SELECT : "A" button on Controller, "Enter" key on Keyboard, or using Mouse on Sudoku Square Erase : "X" button on Controller, "DELETE/Backspace" key on Keyboard, or using Mouse on Erase button UI Hints : "Y" button on Controller, "H" key on Keyboard, or using Mouse on Hints button UI UNDO : Left Stick button on Controller, "U" key on Keyboard, or using Mouse on UNDO button UI NOTES : "B" button on Controller, "N" key on Keyboard, or using Mouse on NOTES button UI