Sudoku — HTML5GamesVault

DifficultyEasy

Empty0

Time0:00

Sudoku

Fill the grid so every row, column and box holds 1 to 9.

Click a cell, then type a number.

How to play

Click any empty cell and type a digit from 1 to 9. Every row, every column and every three-by-three box must contain each digit exactly once. Clashing numbers turn red so you can spot mistakes early.

Controls

Click a cell, then 1–9 to fill it
Backspace or 0 clears a cell
Arrow keys move the selection
Toggle N or the Notes button to jot small candidate digits instead of a final answer
Ctrl+Z or Undo steps back through recent moves
Hint fills one correct cell for you — three per puzzle

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