October 23, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | 6767 | 3:46 | 0 |
| #2 | Anjy | 4:10 | 3 |
| #3 | yellow_orion12 | 4:15 | 1 |
| #4 | aaaah | 4:28 | 0 |
| #5 | popcorn9blabla | 4:34 | 1 |
| #6 | bennypezzy | 4:49 | 3 |
| #7 | bloome | 4:49 | 3 |
| #8 | Polin | 4:49 | 3 |
| #9 | zoe_glbr | 5:19 | 1 |
| #10 | Kanade | 5:20 | 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