Solve with classic gameplay rules. Avoid repeating numbers in rows, columns, or 3×3 grids. Adjust difficulty in real time. Select from Easy, Medium, Hard, Master, or Daily Challenge. Track progress with detailed performance insights.
Provides puzzles with varying difficulty levels. Users can select grids, input numbers, and check for errors. Features include hint assistance, puzzle saving, and adjustable difficulty settings.
Solve puzzles with customizable grids. Input numbers manually or use pencil marks. Track progress across multiple games. Share completed puzzles via email or social media. No ads, in- purchases, or tracking features.
Play with adjustable difficulty levels and customizable puzzle settings. Use hints, error highlighting, and note-taking features. Track personal times and compare with others. Solve puzzles on a clean, distraction-free interface.
Play with thousands of free puzzles. Solve grids by filling numbers 1-9. Take notes that update automatically as you progress. Adjust difficulty levels and track progress. Share completed puzzles with friends.
Play to fill the board with 9 different colors. Solve puzzles with 5 difficulty levels. Use full undo support. Mark answers or pencil marks with dual-keypad input. View beautiful graphics. No timers.
Solve classic and 35+ including Killer, Diagonal, and Sandwich . Customize difficulty levels. Track progress and review solutions. Share puzzles via social media.
Play block puzzle by placing pieces on a grid. Fill rows, columns, or 3x3 areas to remove and free space. Track progress and aim for high scores through consistent gameplay.
Learn sudoku with puzzles starting from simple to advanced. Solve puzzles with visual hints and track progress through nine difficulty levels. Access 60 free puzzles and purchase additional ones for more gameplay.
Solve puzzles with 9x9 grids divided into 3x3 blocks. Enter numbers 1-9 in empty squares. Check for valid moves and complete puzzles to qualify for Amazon.com Gift Card sweepstakes. View results and copy gift codes if won.