Multiplayer Sudoku Online

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    Multiplayer Sudoku built for friends, shared boards, and live races.

    Start a free Sudoku multiplayer game directly in your browser. Choose Together when you want to solve one board as a team, or switch to Race when every player should receive the same puzzle and compete for the fastest clean finish.

    01

    Solve together

    Share one live Sudoku board and work through every deduction as a team.

    02

    Invite a friend

    Create a private game, then send the link or invite code to another player.

    03

    Race live

    Compete on identical clues while Pure Sudoku tracks progress and finish time.

    Together or Race

    Choose the multiplayer mode that fits the moment.

    “Sudoku with friends” can mean a relaxed shared solve or a competitive two-player challenge. Both modes use real Sudoku rules and logic-checked puzzles; only the way players interact changes.

    Together Best for co-op Sudoku, teaching strategies, couples, families, and casual group solving.

    Race Best for 1v1 Sudoku, quick matches, friend challenges, and comparing solving speed.

    Private game Best when you already know who is playing and want to share one direct invite.

    Start in under a minute

    How to play multiplayer Sudoku online.

    1. Choose Together or Race

      Stay on Together for a cooperative board, or select Race for a speed challenge.

    2. Start a multiplayer game

      Match with another player or create a private game for someone you know.

    3. Share the invite

      Send the private link or code so your friend joins the same Sudoku session.

    Multiplayer Sudoku FAQ

    Answers before you start.

    Can I play multiplayer Sudoku online for free?

    Yes. Pure Sudoku lets you start a multiplayer game in your browser for free.

    Can I play Sudoku online with a friend?

    Yes. Choose Together to share one board or Race to compete on the same puzzle, then send your friend the private invite link.

    What is the difference between Together and Race?

    Together is cooperative: both players contribute to one shared board. Race gives each player the same puzzle and compares progress and completion time.

    Do both players get the same Sudoku puzzle?

    Yes. Race mode gives both players the same clues and difficulty so the result is fair.

    Do I need to download an app?

    No. Multiplayer Sudoku works in a modern web browser. An iPhone app is also available for players who prefer native play.

    Start a Sudoku Race Solve Together Two-Player Sudoku Race How to Play Sudoku Daily Sudoku