August 21, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | Squall | 4:33 | 6 |
| #2 | waly | 7:43 | 0 |
| #3 | Mongkol Meesuk | 10:41 | 0 |
| #4 | Jeca | 11:17 | 4 |
| #5 | Georgepixel | 11:24 | 0 |
| #6 | Long “lkoil” Kwan | 11:36 | 0 |
| #7 | nine_Ali | 12:25 | 0 |
| #8 | Priya762 | 15:37 | 1 |
| #9 | novasky | 16:03 | 0 |
| #10 | Phuong772 | 16:23 | 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