hard2026-07-25
✕ 0◆ 00:00
About this board
Today's hard board, in detail
- Clues28
- Difficulty score5.93
- Est. solve time~12 min
- Unique solutionYes
The current estimator recorded naked singles, hidden singles.
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Questions
About today's puzzle
How hard is the hard Sudoku on 2026-07-25?+
This board has 28 clues and a Zeloku difficulty score of 5.93. The current estimator recorded naked singles, hidden singles. Most players finish in around 12 minutes.
Can I solve this without guessing?+
This board has exactly one verified solution. The Hint button currently explains Naked and Hidden Singles; it may not identify the next move in a more advanced position.
What if I want a different difficulty for today?+
Easy, Medium, Hard and Expert versions for 2026-07-25 are all available — pick whichever fits your mood from the daily strip on the homepage or the archive.