the ultimate online sudoku site

Click here to go to my new site at and play a wide range of Sudoku variants, including Srdoku-X, Jigsaw Sudoku, Toroidal Sudoku, Killer Sudoku, Killer Sudoku-X and more!


Alternatively log in to an existing account or discuss the site and sudokus in the forum

Play Sudoku online with the unique interactive play window

Choose from a wide range of difficulty levels and puzzles

Click on any cell or use the arrow keys to move around the grid

Place small pencilmark digits as well as solution digits

Use the solution assistants to help you solve the puzzle

Unlimited undo and redo to aid experimentation

Save your game at any point and continue later

Online book browser with full puzzle views

Detailed statistics and records

Compare your performance with average times and ratings

Rate each puzzle

More details

interactive online sudoku play
online book browser system with full statistics

Play Sudoku Online!

You can try out our unique player right now with a sample puzzle

Also available: play Kakuro online!

© / Gareth Moore 2005-15 - email dosudoku - licensing the player