Play Shapes Sudoku online now for a clean and fast 9x9 Sudoku experience. Solve puzzles using logic and the built in note tools. No download needed, just tap or click to start.
Choose a difficulty, use hints when you need them, and train your brain with daily puzzles. The game supports mouse, keyboard and touch controls for smooth play on any device.
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Desktop
- Click a cell to select it.
- Press keys 1 to 9 to enter a number into the selected cell.
- Press Backspace or Delete to clear a cell.
- Click the pencil or note icon to enter note mode, or right click a cell if supported to add notes.
- Use the on screen Hint and Undo buttons to reveal a number or revert a move.
Mobile
- Tap a cell to select it.
- Tap a number from the bottom palette to place it.
- Tap the pencil or note icon to toggle pencil mode and add candidate numbers.
- Use the undo button to revert the last move and the hint button to reveal a correct number.
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Shapes Sudoku is a classic 9 x 9 Sudoku puzzle presented with a clear, touch friendly interface. The board divides into nine 3 x 3 squares. Fill each row, column and 3 x 3 square with the numbers 1 to 9 so no number repeats in any row, column or square. The objective is logic based solving with no guessing required.
The game offers intuitive tools to help you solve puzzles: a pencil or note mode for candidate numbers, an undo option, instant hints and a timer for speed runs. Use the number palette to place digits or toggle note mode to add small candidate numbers. Levels range from easy to hard so you can train basic skills or test advanced strategies like scanning, elimination and cross hatching.
Shapes Sudoku focuses on fast play and clear feedback. The interface fits desktop and mobile screens. The game records your progress in each puzzle and gives you optional hints to guide learning. It is ideal for players who want a pure Sudoku experience with helpful tools and clean visuals.
Game Details
Category
Puzzle
Developer
Lofgames
Technology
HTML5
Platform
Web Browser
Devices
Desktop, Tablet, Mobile
Game Features
Classic 9x9 Sudoku
Pure Sudoku rules with a 9 x 9 grid and nine 3 x 3 squares for familiar, logic based play.
Pencil Notes
Toggle note mode to add small candidate numbers and keep your possibilities organized.
Multiple Difficulty Levels
Pick from easy, medium and hard puzzles to match your skill and improve over time.
Hints and Undo
Use step hints to learn strategies and undo mistakes quickly without restarting the puzzle.
Touch and Keyboard Friendly
Optimized controls for mobile touch and desktop keyboard play for fast input and smooth solving.
Frequently Asked Questions
Select a cell and enter a number from 1 to 9 so that each row, column and 3 x 3 square contains every number exactly once. Use notes to mark candidates and hints if you get stuck.
Yes. The game supports touch controls. Tap cells and numbers, and use the on screen tools to toggle notes, request hints and undo moves.
Pencil notes let you place small candidate numbers in a cell. Use them to track possibilities and eliminate options as you solve.
Yes. The game includes easy, medium and hard levels so you can practice basic techniques or challenge advanced solving skills.
The game keeps your current puzzle state during a session. If you leave and return in the same browser session, your progress will usually be preserved.