Serial adventures, continuing story and puzzles building towards a final puzzle and solution. - Read more

Offers printable crossword and sudoku puzzles. Puzzles are offered daily and weekly with an archive. Also offers a crossword dictionary, daily horoscope, and discussion forums. - Read more

A puzzle hunt run every year at Stanford. - Read more

Collection of original puzzles developed over the years to celebrate the winter holidays. - Read more

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. - Read more

Includes charades, riddles, and enigmas. - Read more

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. - Read more

Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games. - Read more

Original trivia, logic, visual and word puzzles. - Read more

Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. - Read more

Information on World Puzzle Championships including links to sample word and logic puzzles. - Read more

Challenging puzzles and riddles and interactive quizzes and tests. - Read more

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