Holiday Puzzles
Collection of original puzzles developed over the years to celebrate the winter holidays.
www.radix.net Details

Logicville
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.
www.logicville.com Details

MyCharades.com
Includes charades, riddles, and enigmas.
www.mycharades.com Details

Perplexing Problems
Logic problems submitted by users in categories including mathematics, words, and mysteries.
www.perplexingproblems.fxsonet.com Details

Puzzle Choice
Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games.
www.puzzlechoice.com Details

Puzzle Monster
Original trivia, logic, visual and word puzzles.
www.puzzlemonster.com Details

The Game
A puzzle hunt run every year at Stanford.
zonker.stanford.edu Details

The Puppeteer's Cosmic Puzzle
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.
www.cosmicpuzzle.com Details

The Substitute Teacher: Puzzles and other Diversions
Printable puzzles and other diversions to help substitute teachers involve their temporary students in mind stretching activities.
www.subhelp.com Details