HEATKEYS

Free online and downloadable games! Play arcade games, board games, card games, puzzle games and other free games at Yahoo! Games.

Sudoku and Sudoku puzzle is a fun puzzle is to enter a number from 1 through 9 in each cell of a Sudoku grid, most frequently a 9×9 grid made up of 3×3 subgrids ...

Brain teasers, puzzles, online games, optical illusions and jigsaws.

Play Sudoku online from easy to evil. Web Sudoku also supplies Sudoku puzzles for newspapers, magazines, Sudoku books and websites.

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Free Printable Puzzles by KrazyDad

Provides Sudoku puzzles for printing, or to play online. Select a puzzle by difficulty level, time constraints, or simply print out a puzzle to take with you on a trip.

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Articles from the Smithsonian Institution

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Free online puzzles and games on Thinks.com. Play Sudoku, daily word search, jigsaw and crossword puzzles, chess, checkers and many other games. Also find funny jokes, riddles and more on Thinks.com.