Play unlimited sudoku puzzles online. Four levels from Easy to Evil. Compatible with all browsers, tablets and phones including iPhone, iPad and Android. Welcome to 24/7 Sudoku - the best in free, online sudoku games! 24/7 Sudoku offers all the difficulties a beginner or seasoned sudoku player will enjoy! This free sudoku website features hundreds of Easy Sudoku puzzles, Medium Sudoku puzzles, Hard Sudoku puzzles, and Expert Sudoku puzzles! 24/7 Sudoku is sure to keep you playing this great.
New! Like Online Sudoku? You'll love Pop Four, a new real-time four-in-a-row game with a twist.
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Disclaimer This game is optimized for standards compliant browsers like Mozilla Firefox. If you're using Internet Explorer, the experience will be passable but nowhere near as sweet as if you used a browser that isn't stuck in the stone age.
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Important Your browser has a few restrictions on keyboard shortcuts that this game can use. If you're used to playing on Firefox or IE6, some keyboard shortcuts might be different. Take a look at the 'Shortcuts' tab to see which ones are different – the ones that aren't the same will be highlighted in red.Best Sudoku Strategies
Help Out Do you have any comments or suggestions? Is there some feature you'd love to have? Is there some feature you can't stand? What feature can you not live without? If you've got an opinion, we'd love to hear it. Contact Us.