Daily challenge August 21, 2026 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
3
2
4
8
6
4
1
2
3
2
5
3
7
5
2
4
4
8
9
3
2
1
3
5
7
3
4
3
1
8

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