» Adventure Puzzles
   Serial adventures, continuing story and puzzles building towards a final puzzle and solution.
   http://www.questexperiences.com/quest2/PortsToAdventure/AdventurePuzzles/default.asp

» Crosskit.com
   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.
   http://www.crosskit.com

» Holiday Puzzles
   Collection of original puzzles developed over the years to celebrate the winter holidays.
   http://www.radix.net/~erewhon/puzl/index.html

» 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.
   http://www.logicville.com/

» MyCharades.com
   Includes charades, riddles, and enigmas.
   http://www.mycharades.com/

» Puzzle Choice
   Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games.
   http://www.puzzlechoice.com

» Puzzle Space
   Information about language and culture independent puzzles and logic games.
   http://www.geocities.com/puzzlespace/

» Puzzletome
   Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. [Registration required]
   http://www.puzzletome.com/

» Rainier Beer Bottlecap Puzzles
   The answers to the bottlecap rebus style puzzles found on Rainier Beer and Pearl Beer caps.
   http://www.geocities.com/shabber_1/rainier.html

» The Game
   A puzzle hunt run every year at Stanford.
   http://zonker.stanford.edu/~snitch/game/

» 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.
   http://www.cosmicpuzzle.com/

» The Puzzle Page
   Collection of puzzles, brain teasers, mind benders, logic problems, cryptograms, patterns, and enigmas.
   http://www.geocities.com/oosterwal/puzzle.htm

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

» The Ultimate Puzzle Site
   Challenging puzzles and riddles and interactive quizzes and tests.
   http://www.puzzle.dse.nl/index_us.html

» Tim's World of Puzzles
   Information on World Puzzle Championships including links to sample word and logic puzzles.
   http://www.home.zonnet.nl/kostunix/

» VNC: Volker-Noelle.com
   Collection of brain teasers, logic puzzles, paradoxes and mathematical riddles.
   http://www.volker-noelle.com/iq/index.shtml

» Variety Games
   Shareware software programs available to create custom crossword and word searches.
   http://www.variety-games.com/