Tsuidoku Daily Challenge #34

August 11, 2026 · one worldwide grid (UTC) · medium · digits × colors

9
3
1
4
7
5
6
9
5
4
1
8
3
2
9
3
5
8
8
2
4
9
1
9
7
6
5
4
7
6
2
8
3
3
5
4
8

Top 10 of the day

RankPlayerTimeErrors
#1Mongkol Meesuk8:242
#2waly8:292
#3Jeca11:515
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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