August 10, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | Squall | 6:03 | 7 |
| #2 | waly | 6:32 | 1 |
| #3 | Mongkol Meesuk | 8:12 | 0 |
| #4 | Jeca | 11:27 | 5 |
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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