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Sudoku Online

3.5/5 15 plays Sep 15, 2026
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Sudoku Online

GAME INFORMATION

About This Game

<p>Sudoku Puzzle is a free online Sudoku game. No registration, play instantly in your browser.</p>
<p>The classic mode offers four difficulty levels: Easy for beginners, Medium for steady practice, Hard for experienced players, and Expert for those who seek a real challenge. Additional game modes expand the standard rules: X-Sudoku adds diagonal constraints, Windoku introduces extra regions on the grid, Killer Sudoku requires groups of cells to meet a target sum, and Kropki adds ratio and difference markers between adjacent cells.</p>
<p>Every puzzle has exactly one solution, reachable through pure logic — no guessing required. If you get stuck, a step was missed somewhere, and it can always be traced back.</p>
<p>Sudoku Puzzle is also a competitive experience. Leaderboards track rankings by level, score, and wins. Personal profiles store game history and detailed statistics. The chat lets players connect, share strategies, and challenge each other.</p>