Hints for SUDOKU #31
Spoiler-safe hints for the SUDOKU puzzle of October 21, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.
Hint 1
49 squares to fill. Work box by box: pick a number and see how many squares in the box it can still go in.
Hint 2
The easiest square on the board right now is row 2, column 3. Look at what its row, column and box already hold.
Hint 3
Row 2, column 3 is a 2.
The answer
Contains the answer. Open only if you are stuck.
4 9 6 | 7 8 2 | 1 3 5 3 1 2 | 6 5 4 | 8 9 7 8 5 7 | 1 9 3 | 2 4 6 --------------------- 6 8 3 | 5 2 9 | 4 7 1 7 2 1 | 3 4 6 | 9 5 8 5 4 9 | 8 7 1 | 6 2 3 --------------------- 2 3 8 | 9 1 7 | 5 6 4 1 6 4 | 2 3 5 | 7 8 9 9 7 5 | 4 6 8 | 3 1 2
Play this puzzle Today's hints Archive
SUDOKU
The logic puzzle everyone knows: fill the grid so every row, every column and every 3×3 box holds 1 to 9 exactly once. One grid a day, gentle on Monday and hardest on Saturday, with pencil notes, undo and a check button whenever you want one.

