Tags

A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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For puzzles that involve a famous quotation.
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For puzzles of the form of "What do these three words have in common?"
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In a 'blackboard puzzle' a set of numbers is transformed according to certain rules.
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For questions related to the puzzle of islanders who can only leave when they deduce the colour of their own eyes.
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A question about assessing or adjusting the difficulty level of a puzzle.
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to play with words in order to find the solution.
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A bongard consists of mainly 6 boxes on the left and 6 boxes on the right. The task of a bongard problem is to discover a statement that describes the contents of each box on the left side, but does n…
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Puzzles related to the video game 2048.
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Raven's Progressive Matrices or similar puzzles: visual designs with a missing piece, often a 3x3 matrix with a corner missing, and a number of choices to pick from and fill in the missing piece
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A puzzle which involves networks. Often, such puzzle are in connection with mathematical graph-theory.
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For puzzles that use an aspect of information theory - the processing and transmission of information.
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For puzzles about locks or any other similar mechanisms.
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A type of puzzle typically involving a grid of lights, in which the challenge is to get them all to the same state (on or off). The trick is that each light also affects a number of its neighbors, wi…
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puzzle includes emoji in the question, often the goal of the questions involves deciphering their meaning.
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Puzzles may involve a homonym, a word that is said or spelled the same way as another word but has a different meaning. A riddle may describe an almost impossible phenomenon where there are two disti…
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a word, phrase, number, or other sequence of characters which reads the same backwards and forwards.
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A question about electronic circuits and logic gates.
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A puzzle asking about a proof (usually mathematical) expressed with diagrams and without words.
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A question about categories, mechanics, or effects of puzzle in general, or about scientific research on puzzles.
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a well-known probability puzzle centered around three doors, two goats, and one car.
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used for discussing the number of solutions of a puzzle type or a concrete puzzle.
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A combinatorial puzzle related to Latin squares.
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a 2-player pencil-and-paper game in which the players take turns to fill in lines of a grid, claiming each square of which they fill in the 4th side. The aim is to claim as many squa…
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a recreational activity in which locations, typically concealing hidden containers are found using a GPS enabled phone or similar device.
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For use in puzzles where a specific order of events or decisions needs to be made.
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MathJax programming puzzles have solutions that are automatically rendered anew each time they are browsed. (MathJax is Puzzling's on-site facility for displaying mathematics and is capable of …
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For questions about the game of Tetris, or puzzles which involve or relate to this game. Not for general puzzles involving tetrominoes, which may be tagged [polyomino] instead.
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For puzzles based on flags, flag patterns or flag usage.
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Word game in which players score points by placing tiles, each bearing a single letter, onto a gameboard which is divided into a 15×15 grid of squares. The tiles must form words in crossword fashion.
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a game, usually online, involving puzzles and ciphers hidden in mysterious videos, images or audio with a story behind them. Usually it is meant to promote a product.
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A puzzle that involves seven-segment displays, more commonly referred to as "digital" displays.
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an interlocking puzzle consisting of several three-dimensional pieces that are combined to make one three-dimensional unit.
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For questions regarding problems about money