Daily Sudoku (SudokuWiki)
Rate itSudokuWiki's numbered daily sudoku in four grades, with notes tools and an archive.
on sudokuwiki.org
SudokuWiki, Andrew Stuart's site about sudoku strategies, publishes a numbered sudoku every day in four grades of difficulty, with an archive of earlier puzzles. You can solve in the browser with a player that handles notes well, or print the grid. The site's solver can explain any step you are stuck on.
About Daily Sudoku (SudokuWiki)
SudokuWiki.org is a reference site for sudoku solving techniques, built around Andrew Stuart's online solvers and strategy articles. The Daily Sudoku is its main daily puzzle and has been running for a long time: the number passed 6,800 in October 2026. Every visitor sees the same numbered puzzle on a given day.
The page offers four grades each day, so beginners and experienced solvers can each find a fitting grid, and an archive lets you go back to earlier days. The player supports pencil notes, a prefill option that fills every empty cell with all candidates for those who prefer elimination, automatic clearing of notes, a number pad for phones and keyboard control, and you can print the puzzle instead.
Because the site is built around teaching strategies, a stuck solver can open the puzzle in the SudokuWiki solver and see which named technique unlocks the next step.
It suits sudoku players who want a reliable daily grid at their own level and who are interested in learning advanced techniques.
How to play Daily Sudoku (SudokuWiki)
- Open The Daily Sudoku on SudokuWiki and pick a grade.
- Fill the grid so every row, column and 3x3 box holds 1 to 9 once.
- Enter numbers in cells, using notes for candidates.
- Use the solver if you want to learn the technique for a hard step.
- Come back the next day, or catch up from the archive.
Screenshots
Tips
- Try prefill notes if you like to eliminate candidates rather than add them.
- Work through the grades upward to build technique.
- Read the strategy articles for patterns such as X-Wing and chains.
Questions
Is the puzzle the same for everyone?
Yes. Each daily sudoku is numbered and dated and shown to all visitors.
How many difficulty levels are there?
Four, Level 1 to Level 4, each a separate grid for the day.
Can I play earlier puzzles?
Yes. The page has an archive of earlier days.
Is it free?
Yes. It needs no account; the site shows ads beside the puzzle.
Ratings and reviews
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