| 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. |
| MyCharades.com: Includes charades, riddles, and enigmas. |
| 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 Monster: Original trivia, logic, visual and word puzzles. |
| 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] |
| Rainier Beer Bottlecap Puzzles: The answers to the bottlecap rebus style puzzles found on Rainier Beer and Pearl Beer caps. |
| 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. |
| The Substitute Teacher: Puzzles and other Diversions: Printable puzzles and other diversions to help substitute teachers involve their temporary students in mind stretching activities. |
| 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. |
| VNC: Volker-Noelle.com: Collection of brain teasers, logic puzzles, paradoxes and mathematical riddles. |
Classical
