Daily challenge July 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
7
2
1
3
9
1
3
5
9
5
8
1
2
3
8
1
6
1
7
3
8
6
9
9
6
3
1
7
2
5
2
9
8

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