Free online Sudoku

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Play Sudoku | Puzzles USA Today

Play Puzzles USA Today's Sudoku. Sudoku is a fun and engaging free online game. Play it and other Puzzles USA Today games!

Sudoku - Wikipedia

Sudoku (数独, sūdoku, digit-single) (/suːˈdoʊkuː/, /-ˈdɒk-/, /sə-/, originally called Number Place) is a logic-based, combinatorial number-placement puzzle.