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.
Puzzles which include the concept of time, as for instance: clocks, dates, calendars, conversions from one time zone to another, time-intervals.
A geometric puzzle centered around geometric figures formed from unit-squares.
Puzzles that involve strategic decision making, usually involving either competitive or cooperative choices between a number of participants.
A puzzle relating to physical equations or physical principles such as energy, entropy, and classical/quantum mechanics. General physics questions are off-topic here but can usually be asked at Physic…
physically made and have some sort of mechanism for turning or moving them, such as Rubik's Cubes or trick boxes.
A puzzle from 2-dimensional or 3-dimensional geometry centered around matchsticks.
Puzzles tagged with word-search should generally be about finding words within a grid, these types of puzzles are mass-producible so adding a twist or spin to them is a good idea.
A puzzle related to magic squares: grids of integers where all rows, columns, and diagonals have the same sum.
For puzzles centered around playing cards. For questions about card games themselves, visit our sister site Board & Card Games Stack Exchange.
told different pieces of information, and the reader must figure out something based on their words and actions.
A puzzle that requires an example to be built that fits certain criteria.
A question about how a puzzle can be solved.
primarily built around a well-known book, novel, drama, poem, or a well-known author. General literature questions are off-topic but can be asked on Literature Stack Exchange.
Nonograms (also known as *Hanjie* or *Japanese Puzzle*) are picture logic puzzles in which cells in a grid must be colored or left blank according to numbers at the side of the grid to reveal a hidden…
a technique employed to determine which events occurred leading up to a given situation.
A puzzle related to the main concepts of computer science, like algorithmics or information theory. General computer science questions are off-topic but can be asked on Computer Science Stack Exchange…
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…
A mathematical puzzle about the manipulation and solution of equations. General algebra questions are off-topic but can be asked on Mathematics Stack Exchange.
For puzzles that contain an element of humour or wit. Please do not use this tag to post simple jokes which are not puzzles, and remember that questions should be uniquely answerable.
For puzzles involving any form of dice.
A question relating to interpretation of clues in a crossword puzzle, or to generation of clues in a crossword puzzle. Use [cryptic-clues] for clues obeying the conventions of cryptic crosswords, [cro…
for questions where the answerer must identify a puzzle type based on deliberately limited information about its nature, such as notes made in the course of solving it. For questions where…
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…
a puzzle which involves sliding blocks into a desired end configuration.
a puzzle composed out of the solutions to other mostly disjoint puzzles.
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
A puzzle in which certain letters, e.g. of each word, line, or paragraph, form a meaningful word or words when put together.
Cooperative games where a team of players must try to guess the color of their hat, but can only see their teammates' hats.
A puzzle on a discrete system where one has to decide whether a certain system state can be reached through a finite number of steps.
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.
a square grid of letters in which every row and column forms a word. They can be clued just like normal crossword puzzles. Use with [crosswords] or [cryptic-crosswords] if the word sq…
A puzzle related to sports competitions, sports tables, sports records, or the history of sports. Sports questions which aren't puzzles are off-topic but can be asked on Sports Stack Exchange.
For puzzles on spotting an odd-one-out item in a list.
a logic puzzle where the goal is to draw a loop so each number has that many edges of the loop adjacent to it. Use with [grid-deduction] and [logical-deduction].
a 5-line poem with a strict AABBA rhyme scheme, often with five-line anapestic meter, sometimes obscene with humorous intent.
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…