| Adventure Puzzles | | Serial adventures, continuing story and puzzles building towards a final puzzle and solution. |
| Holiday Puzzles | | Collection of original puzzles developed over the years to celebrate the winter holidays. |
| 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. |
| Perplexing Problems | | Logic problems submitted by users in categories including mathematics, words, and mysteries. |
| Puzzle Choice | | Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games. |
| Puzzle Space | | Information about language and culture independent puzzles and logic games. |
| Puzzletome | | Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. [Registration required] |
| The Game | | A puzzle hunt run every year at Stanford. |
| 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. |
| The Puzzle Page | | Collection of puzzles, brain teasers, mind benders, logic problems, cryptograms, patterns, and enigmas. |
| Tim's World of Puzzles | | Information on World Puzzle Championships including links to sample word and logic puzzles. |
| Variety Games | | Shareware software programs available to create custom crossword and word searches. |
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