Tsuidoku Daily Challenge #24

August 1, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Mongkol Meesuk7:170
#2waly8:280
#3Jeca11:181
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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