Tsuidoku Daily Challenge #49

August 26, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78933:410
#2waly7:172
#3Phuong77211:150
#4Jordan12:044
#5max balarao12:426
#6Kavya14:092
#7axel epifanie14:453
#8ninjaMalee16:452
#9Liew Fookkong28:501
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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