Tsuidoku Daily Challenge #62

September 8, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Squall4:163
#2Yash78935:105
#3waly6:462
#4Mongkol Meesuk10:043
#5Arnomi11:541
#6Minh.panda12:400
#7Ariket Dutta13:520
#8Liew Fookkong18:442
#9Phuong77219:140
#10Diego5520:450
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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