Sudoku (Daily Puzzle)
A fresh Sudoku every day in three difficulties, with notes-free play, error check and hints.
How to use
- Click a cell and type 1–9 (or use the buttons). Arrow keys move around.
- Each row, column and 3×3 box must contain 1–9 once.
FAQ
Does every puzzle have one solution?
Yes. The generator checks that the solution is unique.