Kids Sudoku
Practice the no-repeat rule in rows, columns and boxes on a 4x4 board before trying 9x9 puzzles. Play on a phone, tablet or computer without registration.
- 2x2 means boxes with two rows and two columns: a 4x4 board using digits 1 to 4.
- 3x3 means boxes with three rows and three columns: a 9x9 board using digits 1 to 9.
- Choose beginner, easy or medium puzzles, with reasoning hints, erase, undo and pause.
- Enjoy completion feedback, progress saved in this browser, and light or dark display.
Frequently asked questions
How is Restart different from New game?
Restart restores the original clues and resets entries, notes, time, hints and mistakes for this attempt. New game generates another puzzle.
Are hard and expert levels available?
The kids page offers beginner, easy and medium levels. Hard and expert puzzles are available in the regular game.
Can Math9 read a Sudoku image?
The solver accepts manual input, screenshots or camera capture on compatible devices. Images are recognized locally in your browser. Correct the digits, check for a unique solution and request an explained next step.