2. Puzzletome
Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. [Registration required]
https://puzzletome.com/
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Rating: 0 | Votes: 0 | Date: Jun 7, 2005

3. 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/
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Rating: 0.00 | Votes: 0 | Date: Jun 7, 2005