July 20, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | Squall | 7:08 | 5 |
| #2 | waly | 7:15 | 4 |
| #3 | Jeca | 9:58 | 6 |
| #4 | Player | 10:37 | 0 |
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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