Tsuidoku Daily Challenge #32

August 9, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Squall5:415
#2waly6:310
#3Mongkol Meesuk7:093
#4Magic of Colors and Numbers10:490
#5Jeca10:506
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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