Tsuidoku Daily Challenge #58

September 4, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78933:593
#2Squall5:136
#3Mongkol Meesuk8:480
#4waly8:550
#5Minh.panda11:530
#6Omar48013:141
#7Liew Fookkong22:420
#8Priya76227:363
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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