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The Puzzle Adventure book series from Usborne Publishing Ltd was first created in 1984 with the release of Escape from Blood Castle. The first three volumes of the series were originally released as "Usborne Solve It Yourself". Each book contains a vividly illustrated story, with a plot-related puzzle to solve on each double page.
In the USA the first 10,000 people who finished all 24 puzzles on May 11, 2006, and successfully registered for the final contest received a Cryptex replica with a scroll inside, containing a URL to the final puzzle (the code to open the cryptex was "GRAIL", and only the last two letters were necessary). The final puzzle was released on May 19 ...
Unlike other puzzle books, each page is involved in solving the book's riddle. Specifically, each page represents a room or space in a hypothetical house, and each room leads to other "rooms" in this "house". Part of the puzzle involves reaching the center of the house, Room #45 (page 45 in the book), and back to Room #1 in only sixteen steps.
The puzzle is studied by D. E. Knuth in an article on estimating the running time of exhaustive search procedures with backtracking. [2] Every position of the puzzle can be solved in eight moves or less. [3] The first known patented version of the puzzle was created by Frederick Alvin Schossow in 1900, and marketed as the Katzenjammer puzzle. [4]
Game designer Cliff Johnson defines a meta-puzzle as "a collection of puzzles that, when solved, each give a piece of a master puzzle." [2] A metapuzzle is a puzzle that unites several puzzles that feed into it. For example, five puzzles that had the answers BLACK, HAMMER, FROST, KNIFE, and UNION would lead to the metapuzzle answer JACK, which ...
The iTunes description for Crickler 2 states that this take on the crossword puzzle genre is an "adaptive" experience, that automatically adjusts itself to your own skill level and knowledge. That ...
The key text was the Harry Potter books, but the messages were sent via a The Lord of the Rings forum to make the key text harder to identify. In Lost: Mystery of the Island, a series of four jigsaw puzzles released in 2007, a book cipher was used on each puzzle's box to hide spoilers and reveal information about the show to the fans.
In cryptography, Merkle's Puzzles is an early construction for a public-key cryptosystem, a protocol devised by Ralph Merkle in 1974 and published in 1978. It allows two parties to agree on a shared secret by exchanging messages, even if they have no secrets in common beforehand.