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  1. Web Sudoku - Billions of Free Sudoku Puzzles to Play Online

    Play unlimited sudoku puzzles online. Four levels from Easy to Evil. Compatible with all browsers, tablets and phones including iPhone, iPad and Android.

  2. Play Free Sudoku online - solve web sudoku puzzles

    Play free Sudoku online from Easy to Expert level on Sudoku.com. Select a difficulty level of a web sudoku puzzle to challenge yourself and enjoy the game!

  3. Sudoku - New York Times Number Puzzles — The New York Times

    Sudoku December 15, 2025 Sudoku Try this numbers game, minus the math. Choose Your Puzzle: December 15, 2025

  4. Sudoku 247 - Play Free Sudoku Games Online

    This guide will teach you how to play Sudoku at 247 Sudoku - we’ll cover the basics as well as some killer strategies to help you win more consistently (and a lot faster!).

  5. Play Free Sudoku Online – Daily & Printable Puzzles | Sudoku Kingdom

    Play Sudoku online for free with Easy, Medium, Hard and Very Hard levels. Track your time, use hints and notes, print puzzles with answers, and try our Daily Sudoku.

  6. The Sudoku: Free Online Sudoku Puzzle Games

    Enjoy an endless variety of free online Sudoku puzzles! Play your daily Sudoku, get printable puzzles, and explore all our helpful features, start playing now!

  7. Free Sudoku Online - USA TODAY

    Free daily online Sudoku from USA TODAY. Start with your first free puzzle today or subscribe for unlimited access to puzzles, hints and reveals!

  8. Hard sudoku puzzles online - solve difficult web sudoku for free

    Play hard level Sudoku online on Sudoku.com. Our daily difficult web sudoku puzzles are suitable for people, who possess an excellent knowledge of sudoku game and know how to build a proper …

  9. Play Free Sudoku Online – Puzzle Game for All Levels

    Enjoy free Sudoku online—from beginner to expert. Play instantly, train your brain, and solve daily challenges. No login needed.

  10. Sudoku – Play Free Online Puzzles (Easy to Extreme)

    Play free Sudoku puzzles online at Sudoku4Adults – from easy to extreme. Daily challenges, weekly tournaments, printable puzzles, and a solver tool included. Sharpen your mind now!