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  2. Sliding puzzle - Wikipedia

    en.wikipedia.org/wiki/Sliding_puzzle

    A sliding puzzle, sliding block puzzle, or sliding tile puzzle is a combination puzzle that challenges a player to slide (frequently flat) pieces along certain routes (usually on a board) to establish a certain end-configuration. The pieces to be moved may consist of simple shapes, or they may be imprinted with colours, patterns, sections of a ...

  3. List of PSPACE-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_PSPACE-complete...

    1 Games and puzzles. 2 Logic. ... Printable version; In other projects ... Equivalence problem for star-free regular expressions with squaring. [21]

  4. Edward Hordern - Wikipedia

    en.wikipedia.org/wiki/Edward_Hordern

    Lebbeus Edward A Hordern, known as Edward Hordern, (21 March 1941 [1] - 2 May 2000 [2]) was the world's leading authority on sliding block puzzles, and was renowned for his puzzle solving abilities. Hordern had an extensive mechanical puzzle collection and was an author on the topic of mechanical puzzles.

  5. Klotski - Wikipedia

    en.wikipedia.org/wiki/Klotski

    The sliding puzzle had already been trademarked and sold under different names for decades, including Psychoteaze [1] Square Root, [2] Intreeg, [3] and Ego Buster. There was no known widely used name for the category of sliding puzzles described before Klotski appeared.

  6. List of puzzle topics - Wikipedia

    en.wikipedia.org/wiki/List_of_puzzle_topics

    Ball-in-a-maze puzzle; Mechanical puzzle. Ball-in-a-maze puzzle; Burr puzzle; Word puzzle. Acrostic; Daughter in the box; Disentanglement puzzle; Edge-matching puzzle; Egg of Columbus; Eight queens puzzle; Einstein's Puzzle; Eternity puzzle; Fifteen puzzle; Fox, goose and bag of beans puzzle; Geomagic square; Globe puzzle; Graeco-Latin square ...

  7. Play free online Puzzle games and chat with others in real-time and with NO downloads and NOTHING to install.

  8. 15 puzzle - Wikipedia

    en.wikipedia.org/wiki/15_puzzle

    To solve the puzzle, the numbers must be rearranged into numerical order from left to right, top to bottom. The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15 in a frame that is 4 tile positions high and 4 tile positions wide, with one ...

  9. Masyu - Wikipedia

    en.wikipedia.org/wiki/Masyu

    Like many other combinatory and logic puzzles, Masyu can be very difficult to solve; solving Masyu on arbitrarily large grids is an NP-complete problem. [2] However, published instances of puzzles have generally been constructed in such a way that they can be solved in a reasonable amount of time.