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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The Frobenius problem asks for the largest amount that cannot be obtained by using only coins of specified denominations.
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An Oppogram as an anagram of opposites. For example : ratify smart peace → deny slow war → Wayne's World
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Puzzles based on the analysis of an audio clip
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kept for historical reasons, and semi-interactive puzzles should not be considered good questions for this site. Semi-interactive puzzles are those where …
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A puzzle centered around graphs produced by the Google books Ngram viewer.
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often get closed. Consult meta before creating a cops-and-robbers challenge.
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Crossword puzzle in which strings of letters have been removed from each sentence, and the remaining letters rearranged to form a new sentence (but keeping the same order). The removed strings are the…
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for when a local or regional dialect of a language is relevant to the solution of a puzzle.
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A pangram sentence uses every letter of the alphabet at least once.
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a sliding block puzzle on a 6x6 grid, where the tiles represent cars.
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a cube-shaped twisty-puzzle with eight geared corners that has been designed by the famous Dutch puzzel designer Oskar van Deventer.
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n people standing in a circle. A counter goes clockwise around the circle and repeatedly eliminates every k-th person in the circle, until one person (the winner) remains. Where should you s…
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A puzzle that makes use of astronomical knowledge, such as the names and positions of stars and planets.
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used for geometric puzzles, if one wants to stress that the setting is not 2-dimensional nor 3-dimensional, but 4-dimensional.
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a card game.
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A puzzle about the card game SET, played with a deck of 81 cards.
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For puzzles regarding the board game Reversi. Also known as Teeko.
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For puzzles based around the game 0hno, found at 0hn0.com: a grid logic game in which you must deduce which dots are blue and which are red. Related to the game 0hh1 made by the same people.
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For puzzles based around the game 0hh1, found at 0hh1.com: a grid logic game in which you must deduce which tiles are blue and which are red. Related to 0hn0, which is made by the same people.