September 18, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | Yash7893 | 3:47 | 1 |
| #2 | Lockdalf | 4:57 | 0 |
| #3 | Squall | 5:11 | 0 |
| #4 | waly | 5:42 | 0 |
| #5 | idris khan | 6:09 | 1 |
| #6 | Nidal Shaheed | 7:48 | 2 |
| #7 | Mongkol Meesuk | 7:48 | 0 |
| #8 | CalciteCow | 7:51 | 0 |
| #9 | Marcell Bóta | 8:36 | 1 |
| #10 | madhusudhan yadav | 8:43 | 1 |
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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