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You're looking for online Sudoku games!

Here are a few options:

1. Sudoku.com: This website offers a wide range of Sudoku puzzles, from easy to expert levels. You can play online or download puzzles to solve offline.
2. Conceptis Sudoku: Conceptis offers a variety of Sudoku puzzles, including classic, X-Sudoku, and Jigsaw Sudoku. You can play online or download puzzles to solve offline.
3. Sudoku.org: This website provides a daily Sudoku puzzle, as well as a puzzle archive and a solver. You can also play online or download puzzles to solve offline.
4. Armored Penguin Sudoku: This website offers a daily Sudoku puzzle, as well as a puzzle archive and a solver. You can also play online or download puzzles to solve offline.
5. Sudoku Mail: This website offers a daily Sudoku puzzle, as well as a puzzle archive and a solver. You can also play online or download puzzles to solve offline.

These are just a few examples, but there are many more online Sudoku games and websites out there!