Tsuidoku Daily Challenge #50

August 27, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78934:194
#2Squall6:082
#3Mongkol Meesuk7:271
#4Minh.panda8:300
#5waly8:592
#6Jan Roy Estabillo9:151
#7Jeca9:557
#8novasky12:351
#9axel epifanie14:510
#10Jordan14:565
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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