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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a 5-line poem with a strict AABBA rhyme scheme, often with five-line anapestic meter, sometimes obscene with humorous intent.
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The history of puzzles and their creation, as well as any methodologies which have developed over time. For puzzles about history, use the [history] tag instead.
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For puzzles based on the movements of a knight piece in chess.
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A puzzle that makes use of chemical knowledge, such as the names and atomic numbers of chemical elements.
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a puzzle which involves sliding blocks into a desired end configuration.
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A strategic puzzle centered around pouring liquids between various bottles, with the goal of measuring exactly n liters.
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A word ladder puzzle has a source word and a target word, and to solve the puzzle you must find a chain of words to link the two.
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A puzzle that asks for finding the hidden pattern in a given word sequence.
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For questions regarding how to get items or people across something obeying a set of rules.
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A puzzle centred around kinship, family ties, ancestry, relatives, blood ties and other family bonds.
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a tiling puzzle that requires the assembly of (often oddly shaped) interlocking and tessellating pieces.
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A puzzle in which you need to find and follow links to successive i.stack.imgur images in order to progress.
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a strategy-based puzzle game with hidden bombs in some cells. Certain other cells contain numbers to say how many bombs are adjacent to that cell. The object is to find all the bombs wi…
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is for all questions related to solving or discussing Rubik's Cube related puzzles.
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Any puzzle where a team of pursuers must capture a team of targets, with movement limited to some given space. The goal is to find a winning strategy either for the pursuers or for the evaders.
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A puzzle based on the folding of a piece of paper (also known as origami).
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For puzzles related to Magic: the Gathering trading card game. For example, these could involve challenges like winning from a given board state, or puzzles related to a specific card or deck.
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A geometry puzzle centered around the triangle or the centers of a triangle.
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Current unsolved real-world puzzle
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A puzzle about flipping/tossing coins. Typical examples are about the probability that head or tail comes out.
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for questions about the board game Mastermind.
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A puzzle that involves tiles (or the concept of tiles) in the shape of 2x1 rectangles, divided into 2 squares, each containing 0 to 6 spots. It may require knowledge of general rules of the game, Dom…
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For puzzles about using keys to open locks and doors.
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A puzzle that involves arranging objects optimally in order to fit in a specified space.
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Puzzles that revolve around a magic trick, or an illusion of sorts. Do not use this tag for a puzzle revolving around something as "witchcraft".
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A puzzle about disentangling knots, folding paper, separating strings and wires, and understanding the connectivity properties of elastic figures.
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a logic puzzle where the goal is to draw a loop so each number has that many edges of the loop adjacent to it.
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Puzzles involving the manipulation of coins as physical objects inside a set of rules.
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Speedsolving typically refers to solving a physical puzzle as quickly as possible. For instance, one might use this tag when asking about optimal Rubik's cube algorithms. This tag is not necessarily l…
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puzzles involving cellular automatons in a 2D or 3D grid.
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For puzzles that involve a famous quotation.
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Puzzles that use number properties such as even and odd, multiples of numbers, part of a well-known sequence (i.e. Fibonacci) or theorem (Pythagorean relations) or others in part of the method to solv…
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A puzzle involving a calculation from which some digits have been removed. Different from an [alphametic] in that it is not specified which digits are the same or different from each other.
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In a 'blackboard puzzle' a set of numbers is transformed according to certain rules.
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For puzzles of the form of "What do these three words have in common?"
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A strategy game in which players take turns to reduce the number of objects in some sets, the aim being either to remove the last object or _not_ to do so.