Tsuidoku Daily Challenge #74

September 20, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78934:072
#2Tilak S. Naik5:030
#3Lockdalf5:100
#4Squall6:331
#5waly6:351
#6Brijesh Deodhar6:591
#7madhusudhan yadav7:260
#85dr7tkkz4r7:510
#9Mongkol Meesuk8:071
#10Sunflower8:242
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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