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Shenk has invented several variety puzzle formats, such as Spell Weaving and Snowflake. [2] He has been a judge and constructor at the American Crossword Puzzle Tournament (ACPT). [ 8 ] [ 9 ] At ACPT in 2005, he hand-constructed, clued, and printed copies of a new puzzle in an hour, a feat recorded during the making of the documentary Wordplay ...
Rush Hour is a sliding block puzzle invented by Nob Yoshigahara in the 1970s. It was first sold in the United States in 1996. It is now being manufactured by ThinkFun (formerly Binary Arts). ThinkFun now sells Rush Hour spin-offs Rush Hour Jr., Safari Rush Hour, Railroad Rush Hour, Rush Hour Brain Fitness and Rush Hour Shift, with puzzles by ...
A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one letter, while the black squares are used to ...
Merl Harry Reagle (January 5, 1950 – August 22, 2015) was an American crossword constructor. [2] [3] For 30 years, he constructed a puzzle every Sunday for the San Francisco Chronicle (originally the San Francisco Examiner), which he syndicated to more than 50 Sunday newspapers, [4] including the Washington Post, the Los Angeles Times, the Philadelphia Inquirer, the Seattle Times, The Plain ...
The largest puzzle (40,320 pieces) is made by a German game company Ravensburger. [8] The smallest puzzle ever made was created at LaserZentrum Hannover. It is only five square millimeters, the size of a sand grain. The puzzles that were first documented are riddles. In Europe, Greek mythology produced riddles like the riddle of the Sphinx ...
Named after the number of tiles in the frame, the 15 puzzle may also be called a "16 puzzle", alluding to its total tile capacity. Similar names are used for different sized variants of the 15 puzzle, such as the 8 puzzle, which has 8 tiles in a 3×3 frame. The n puzzle is a classical problem for modeling algorithms involving heuristics.
Takuzu, also known as Binairo, is a logic puzzle involving placement of two symbols, often 1s and 0s, on a rectangular grid. The objective is to fill the grid with 1s and 0s, where there is an equal number of 1s and 0s in each row and column and no more than two of either number adjacent to each other.
ThinkFun, formerly known as Binary Arts, is a toy and board game company founded in 1985 by Bill Ritchie and Andrea Barthello.The two started the company from the basement of their home in Virginia, with a product base that initially consisted of four games invented by a family friend William Keister (Spin-out, The Cat, The Horse and Hexadecimal Puzzle).