Sudoku for phone browsers
Thumb-friendly keypad and square cells sized for modern phones.
About this Sudoku page
Portrait and landscape layouts keep the board usable without horizontal scroll.
FAQ
Everything you need to enjoy Sudoku with calm, focused play.
How do I play Sudoku online?+
Fill each row, column, and 3×3 box with digits 1 to 9 exactly once. Tap or click a cell, then choose a number from the keypad.
Is an account required to play Sudoku?+
No. You can start immediately in your browser without creating an account.