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 involving the use of acronyms (where the initial letters of a sentence or paragraph form another word or sentence).
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A puzzle in which certain letters, e.g. of each word, line, or paragraph, form a meaningful word or words when put together.
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An affix riddle is a specific type of riddle that clues the target word by describing multiple, possibly overlapping parts of the word separately. Usually the beginning (prefix), the middle (infix), a…
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A mathematical puzzle about the manipulation and solution of equations. Use with [mathematics]
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A puzzle related to algorithms (a main concept in computer science). Puzzles may ask for an algorithm as an answer or require the analysis of a given algorithm.
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Alphametic puzzles involve equations where digits have been replaced with letters, where the goal is usually to reconstruct the original equation, matching letters to numbers.
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An alternate reality game is 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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An anagram rearranges the letters of a word or phrase to produce a new word or phrase.
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A puzzle that makes use of Japanese cartoon animation knowledge, such as titles and character names.
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Refers to a crossword where the answers each begin with a distinct letter of the English alphabet. There might be two of each letter, but they go across and down from the same grid cell. The solver is…
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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 board game is a game that involves counters or pieces moved or placed on a "board" according to a fixed set of rules.
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A Bongard problem usually consists of two sets of 6 boxes, positioned beside each other. The task is to discover a rule that describes the contents of each of the 6 boxes on the left-hand side, but do…
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For puzzles involving the card game Bridge. If your question isn't a puzzle but a general Bridge question, it's better asked on our sister site Board & Card Games.
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A burr puzzle is an interlocking puzzle consisting of several three-dimensional pieces that are combined to make one three-dimensional unit.
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A puzzle that involves numerical calculations, such as multiplication and addition. Use with the [mathematics] tag.
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A puzzle involving checkerboards: grids of squares alternating black and white in color, most commonly an 8x8 board.
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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 related to chess, a two-player board game with white and black pieces of varying ranks.
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A cipher is a simple method of modifying messages to make them unreadable except to readers who know the key. Common ciphers are Caesar, Vigenere, Atbash, and several types of substitution cipher. Oth…
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