A little space to think.
About Free Online Puzzle
Made for the puzzle in front of you.
Free Online Puzzle is a browser-based home for classic puzzle games, starting with Sudoku. No account, app download, or subscription is needed to play. Choose a difficulty, make a few notes, and take your time.
Logic you can trust.
Our puzzle packs are checked for a unique solution and classified by the logical techniques used to solve them. Hints show their reasoning, and your progress stays in your browser.
Free to play online.
Play at freeonlinepuzzle.com. We use privacy-conscious measurement to understand site usage. Advertising may be used to support the service while keeping Sudoku free to play.