Tsuidoku Daily Challenge #48

August 25, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78935:592
#2Squall6:477
#3pixelzen10:460
#4Long “lkoil” Kwan12:001
#5Mongkol Meesuk14:105
#6Jordan15:222
#7novasky18:070
#8Phuong77218:231
#9Liew Fookkong39:190
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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