7
4
1
9
8
7
2
1
6
4
1
9
3
9
7
9
4
6
1
8
5
4
3
7
9
Time 00:00
Mistakes 0
Ready
Daily sudoku — 2026-05-21
Hard level, 25 clues. The board is generated from the date, so this link will show the same puzzle to anyone who opens it.
Difficulty rotates by weekday: Monday and Tuesday are easier, Friday to Sunday are the hard ones. The archive is generated ahead of time, so tomorrow's puzzle is already there if you want a preview.