Sudoku allows users to play puzzles with adjustable difficulty levels. Track scores using a point system based on number values and solving speed. Compete on online leaderboards. Access thousands of free puzzles.
Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or 3x3 blocks. Choose from six difficulty levels. Track progress and restart puzzles. Share completed grids via social media.
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.
Play by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 section contains unique digits. Choose difficulty levels and track progress across multiple games.
Play by dropping blocks on a 9x9 grid to fill lines and squares. Remove completed rows and columns to keep the board clear. Complete daily challenges for trophies and participate in seasonal events for animated postcards.
Solve sudoku puzzles with varying difficulty levels. Input numbers manually or use pencil marks. Track progress across multiple . Access hints and undo moves. Share completed puzzles via social media.
Solve puzzles with 6 difficulty levels from Beginner to Master. Use smart hints to guide logical steps. Track progress and replay puzzles. Customize settings for difficulty and hint frequency. Share completed puzzles via social media.
Solve puzzles with multiple difficulty levels. Fill a 9x9 grid with numbers 1-9. Use notes to mark possible numbers in empty cells. Track progress through different challenges.
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.
Play Sudoku with a theme. Fill grids with numbers 1-9 without repeating in rows, columns, or boxes. Track progress and compete in leaderboards. Earn cryptocurrency rewards for completing puzzles.
Game allows users to play classic 9x9 puzzles. Fill grids with digits 1-9 without repeating in rows, columns, or 3x3 boxes. Choose difficulty levels. Track progress and reset puzzles. Share completed grids.
Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.
Solve puzzles with customizable difficulty levels. Track progress across multiple boards. Highlight numbers for easier solving. Adjust colors and themes to personalize the experience. Share completed puzzles via social media.