Tsuidoku Daily Challenge #76

September 22, 2026 · one worldwide grid (UTC) · medium · digits × colors

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

Top 10 of the day

RankPlayerTimeErrors
#1Yash78934:221
#2TilakSN4:400
#3Lockdalf5:321
#4二分の七次元6:031
#5Squall7:131
#6waly7:251
#7idris khan7:450
#8Mongkol Meesuk8:031
#9Brijesh Deodhar8:411
#10madhusudhan yadav9:132
Play today’s Daily Challenge →

Get the free app — your grid, colors & streak, synced.

App StoreGoogle Play

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