Daily challenge October 31, 1999 Back to calendar
Live puzzle

Sudoku

Fill every row, column, and 3×3 box with digits 1–9 — no repeats. Use notes for candidates or ask for a hint when stuck.

Grid 9 × 9 Difficulty Hard
Elapsed 00:00
Mistakes 0
Level Hard
6
1
2
4
8
4
3
2
5
7
8
7
9
9
3
5
8
8
2
4
5
7
3
8
6
7
9
8
3

Select a cell, then tap a number or use your keyboard. Toggle Notes to pencil in candidates.