Educational puzzles, brain teasers, mathematical recreations and word games. A resource for anagrams, cryptograms, alphametics, word puzzles, logic problems, doublets, tangrams, chess, and math quizzes.
Information on World Puzzle Championships including links to sample word and logic puzzles.
Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games.
Information about language and culture independent puzzles and logic games.
Collection of puzzles, brain teasers, mind benders, logic problems, cryptograms, patterns, and enigmas.
Collection of brain teasers, logic puzzles, paradoxes and mathematical riddles.
Serial adventures, continuing story and puzzles building towards a final puzzle and solution.
Printable puzzles and other diversions to help substitute teachers involve their temporary students in mind stretching activities.
Collection of original puzzles developed over the years to celebrate the winter holidays.
Includes charades, riddles, and enigmas.
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