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Free Sudoku: Easy, Medium & Hard

Play uniquely solvable Sudoku puzzles with notes, hints, three difficulty levels and saved progress on your browser.

Sudoku rules and a useful first move

Fill the grid so that each row, column and 3 × 3 box contains the digits 1–9 once. FunQuizzy offers three difficulty levels, pencil notes and hints.

  1. Scan a row, column or box with several numbers already filled.
  2. Write down possible digits using pencil notes.
  3. Place a number only when the row, column and box all allow it.
The Quiz Show