Play Sudoku

Fresh puzzles, classic fun—choose your challenge!

Optimized to play equally well on any device: Phone • Tablet • PC.

Customize the look with themes and styles - choose board styles and contrast.

About Sudoku

Sudoku is a 9x9 number puzzle. Fill empty cells so every row, column, and 3x3 box contains the digits 1 through 9 exactly once.

Choose a fresh puzzle, try Daily Sudoku, or browse popular boards. You can play at your own pace with pencil marks and simple controls.

Quick links: Start a puzzle | Daily Sudoku | How to play | FAQ | Popular puzzles

Pro Tip: Use pencil marks to plan ahead!