Daily challenge May 20, 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
1
7
2
6
3
2
7
9
8
1
2
3
1
8
3
7
1
8
3
3
9
7
7
1
2
5
8
9
5
6
1

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