Daily challenge July 28, 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
8
1
2
9
1
5
7
8
3
6
9
6
1
2
1
7
2
9
8
3
5
1
7
5
8
7
2
1
4
8
7

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