DaySudoku
One Sudoku a Day.
Find the Key9. Place 1–9 before 9 misses.
Today’s Key9
Misses 0/9
00:00
Key9 unlocked.
Key9 Unlocked
You placed 1–9. Now finish the Sudoku.
Key9 Unlocked
You placed 1–9. Now finish the Sudoku.
How to Play Key9
- Fill the 9 highlighted cells.
- Use today’s fixed tiles, 1 through 9.
- Unlock today’s Sudoku before 9 misses.
- Continue and finish the full board.
Correct tiles lock into the board. Wrong tiles return to the tray and count as misses. Unlock the Key9, then finish today’s Sudoku.
Why DaySudoku is different
DaySudoku is not an unlimited Sudoku portal. It is a short daily Sudoku unlock puzzle designed for a clean, focused break.
Sudoku Tips
Look for rows, columns, and boxes where today’s tiles have fewer possible places. The best Key9 puzzles have one clear starting point and a clean finish.