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Modern Sudoku

Fill empty boxes with numbers from 1 to 9, either by typing or using the on-screen keypad. The grid uses 20 boxes rather than the standard 9x9 layout, and the game checks your solution automatically once every box is filled. Runs in the browser on desktop in landscape orientation, with no installation needed.

Modern Sudoku — play free online

About this game

Modern Sudoku offers a fresh twist on the classic puzzle game with a sleek design and 20 unique boxes instead of the traditional 9×9 grid. Enjoy a vibrant gradient background and modern input fields as you complete the puzzle by filling in the missing numbers. This fast-paced, visually engaging game encourages players to test their logic and problem-solving skills. Featuring a win screen for successful completion and a draw screen for retrying, Modern Sudoku keeps you hooked with its challenging gameplay. Perfect for both casual players and Sudoku enthusiasts, Modern Sudoku delivers a modernized, fun puzzle experience for all. Play Now!

How to play

Click or tap on any empty box to select it Enter a number between 1 and 9 by typing on the keyboard or selecting it from the on-screen keypad if available Once all the boxes are filled the game will automatically check if the puzzle is correct

Questions people ask

Can I play Modern Sudoku online for free?
Yes. Open Modern Sudoku in this browser and press Play. There is no download or account required.
Do I need to install Modern Sudoku?
No. The game runs inside the browser page, so there is nothing to install.
Does Modern Sudoku work on mobile?
This game does not list touch controls. For the best experience, use a keyboard and mouse.