Tsuidoku Daily Challenge #28

August 5, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1waly8:072
#2Mongkol Meesuk8:162
#3Magic of Colors and Numbers10:030
#4Jeca12:314
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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