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Serial adventures, continuing story and puzzles building towards a final puzzle and solution.
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Free online and printable Crossword and Sudoku puzzles. Puzzles are offered daily and weekly with an archive. Also offers online crossword dictionary, daily horoscopes, and discussion forum.
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Collection of original puzzles developed over the years to celebrate the winter holidays.
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Educational puzzles, brain teasers, and word games such as anagrams, cryptograms, alphametics, doublets, tangrams.
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Includes charades, riddles, and enigmas.
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Features printable and interactive puzzles, mazes, games, crosswords, wordsearches and wordplay.
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Original trivia, logic, visual and word puzzles.
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Information about language and culture independent puzzles and logic games.
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Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. [Registration required]
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The answers to the bottlecap rebus style puzzles found on Rainier Beer and Pearl Beer caps.
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A puzzle hunt run every year at Stanford.
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Pictographic puzzle microcosm of old and new playing cards, poems, games and lore. New suits: the zodiac, solar system, evolution, human family, ancient elements, astronomical basis of the calendar and compass.
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Collection of puzzles, brain teasers, mind benders, logic problems, cryptograms, patterns, and enigmas.
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Printable puzzles and other diversions to help substitute teachers involve their temporary students in mind stretching activities.
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Information on World Puzzle Championships including links to sample word and logic puzzles.
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Collection of brain teasers, logic puzzles, paradoxes and mathematical riddles.
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Shareware software programs available to create custom crossword and word searches.