Tsuidoku Daily Challenge #37

August 14, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Mongkol Meesuk5:571
#2waly7:352
#3joris42997:384
#4Jeca11:297
#5Arnomi12:531
#6Tristan14:161
#7JEDDO40:507
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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