Daily challenge December 31, 1964 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
1
3
8
4
4
8
5
8
4
7
4
6
1
5
6
1
7
3
4
8
3
5
7
9
7
7
9
8
6
3

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