July 11, 2026 · one worldwide grid (UTC) · medium · digits × colors
| Rank | Player | Time | Errors |
|---|---|---|---|
| #1 | Player | 14:03 | 0 |
Suirodoku 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