Tsuidoku Daily Challenge #59

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

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78933:360
#2Squall5:507
#3waly6:050
#4Mongkol Meesuk6:420
#5axel epifanie15:033
#6Phuong77218:071
#7Omar48022:363
#8Liew Fookkong25:120
#9Migz28:021
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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