InstantPlay

Sudoku

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Sudoku

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Sudoku Game Online Free

Classic number placement puzzle. Use logic to complete the board without repeating digits. Play free in your browser on InstantPlay — no download required.

PuzzleCasual GamesBrain GamesNo Download GamesClassic Games5–15 minmedium

How to play

  1. Each row, column, and 3×3 box must contain 1–9.
  2. Select empty cells and enter digits.
  3. Wrong placements can be cleared.
  4. Fill the whole board to finish.

Controls

  • Keyboard: Arrow keys to move, 1–9 to enter
  • Mouse: Select a cell, then pick a number
  • Touch: Tap a cell, then tap a number

Tips

  • Scan for cells with only one possible digit.

About playing Sudoku

Is Sudoku free to play online?
Yes. Play Sudoku free on InstantPlay with no download and no account. It runs in your browser on desktop and mobile.
How long does a Sudoku round take?
Most sessions last about 5–15 min. It is a medium puzzle game designed for quick casual play.
Can I play Sudoku on my phone?
Yes. Sudoku is an HTML5 browser game with touch-friendly controls. Open the page and tap Start — no app install needed.