September 15, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | waly | 5:59 | 0 |
| #2 | Mongkol Meesuk | 6:56 | 1 |
| #3 | Squall | 9:26 | 1 |
| #4 | Nidal Shaheed | 10:29 | 0 |
| #5 | Brijesh Deodhar | 10:52 | 3 |
| #6 | madhusudhan yadav | 11:19 | 2 |
| #7 | Arnomi | 11:56 | 0 |
| #8 | Minh.panda | 12:35 | 3 |
| #9 | Phước Khanh Trần | 12:36 | 0 |
| #10 | zsolty666 | 14:45 | 6 |
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Tsuidoku is a free online color sudoku: every row, column and region holds the digits 1-9 AND all 9 colors, and each digit-color pair appears exactly once. The math behind it · Daily hub