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.

Includes charades, riddles, and enigmas.

Shareware software programs available to create custom crossword and word searches.

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.

Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. [Registration required]

Printable puzzles and other diversions to help substitute teachers involve their temporary students in mind stretching activities.

Original trivia, logic, visual and word puzzles.