Tsuidoku Daily Challenge #25

August 2, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Mongkol Meesuk7:511
#2waly8:081
#3Jeca11:276
#4Magic of Colors and Numbers13:321
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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