Tournament Sudoku leaderboard
Compete on time or mistakes when an active tournament window is live.
About this Sudoku page
Visit the tournaments page for schedules and eligibility rules.
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.