Daily Sudoku Online — Free New Puzzles Every Day

Play today’s free Daily Sudoku puzzle directly in your browser, with no account or sign-up required. The game shows the puzzle date and difficulty, and works on phones, tablets, and desktop browsers. Use Notes to add candidate numbers or pencil marks when a cell is uncertain, request a Hint when one is available, and use the Timer to track solving time or pause the game. To revisit a previous daily Sudoku, open the Daily Sudoku calendar and choose any available date from January 2025 onward.

Why Should You Integrate Daily Sudoku In Your Routine?

A daily puzzle gives you one clear grid to solve at your own pace. Return regularly to practise scanning, candidate elimination, and careful deduction without needing to create an account. The calendar marks locally completed and in-progress dates on the device you are using, so you can return to an unfinished puzzle or choose another past daily challenge.

Which Number Patterns Help Solve Daily Puzzles Faster?

Three strategies increase efficiency on daily sudoku puzzles:

• Hidden Single: Within a row, column, or box, a certain digit may appear more than once among the candidates, but only one cell is the truly possible solution. Identifying hidden singles allows you to quickly place key numbers.
• Locked Candidates: When a digit in a box can only occupy cells that fall within a single row or column, that digit can be eliminated from the candidates in the rest of that row or column. This "locking" technique greatly reduces the solving scope.
• Naked Pair: If two cells share exactly the same pair of candidates, then those two digits must belong to them, which means the same candidates can be eliminated from all other cells in the row, column, or box. This method can significantly simplify complex situations.

How Does Our Daily Sudoku Timer Enhance Your Skills?

The timer starts with the puzzle and records the current solving session. You can pause it from the game header and continue when you are ready. Treat the time as a personal reference rather than a reason to guess: accurate candidate work matters more than speed. For another style of practice, try Easy Sudoku, review the Sudoku rules, or use the Sudoku Solver to check a separate standard 9×9 puzzle.