How to play
Select an empty square on the 9x9 board using your mouse or touchscreen. Click or tap a number from 1 to 9 on the keypad to place it into the selected box. Use the pencil icon to jot down candidate notes for tricky cells, or use the eraser to clear mistakes. If you get stuck on an advanced board, tap the hint button for guidance. Fill every row, column, and 3x3 block without repeating any digit to win.
About this game
Classic Logic Fun for Every Brain
Sudoku Puzzle Master brings the timeless Japanese number puzzle directly to your web browser with a polished, distraction-free interface. Designed for both casual daily solvers and seasoned puzzle veterans, it features multiple difficulty tiers ranging from gentle warm-ups to punishing logic trials. Every grid is algorithmically verified to guarantee a unique, logical solution without requiring guesswork.
Smart Tools and Endless Solves
Enjoy modern conveniences like live pencil marking, auto-highlighting of duplicate numbers, and an undo history that lets you experiment freely. Whether you have five spare minutes between meetings or want to unwind during an evening train ride, this brain teaser trains your deduction skills and concentration. It runs completely free on Woplay across desktop computers, tablets, and smartphones without any downloads or installations required.
