Tsuidoku Daily Challenge #46

August 23, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Squall4:497
#2Yash A4:511
#3waly6:372
#4Mongkol Meesuk7:081
#5Fajar11:090
#6Jan Roy Estabillo14:065
#7Priya76219:172
#8novasky23:400
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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