Questions tagged [puzzle-creation]

A question about the creation and development of puzzles. Not to be used for requesting the creation of a puzzle.

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1answer
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Cryptic Clue Guide

This post is not a puzzle. There is nothing puzzly hidden inside it or the self-answer, posted at the same time. What exactly is a cryptic crossword clue, and how do I write one?
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4answers
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Is this chromatic puzzle always solvable?

I've created a new puzzle from an Alexey Nigin's idea. It consists of a 8x8 board where each square is randomly assigned one of three colors. A movement is defined by picking any two orthogonal ...
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13answers
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How to make someone open an origami?

I'm offering someone an origami (rabbit shape) with a QR code written inside. This is the beginning of a series of riddles. My question is, how could I make the person I'm offering the origami to ...
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7answers
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Guide to Codes and Ciphers

Note: This is a Guide not a Puzzle ciphers are quite common now on puzzling, and at first can seem quite confusing. But ciphers are bigger than this site, used worldwide by companies and secret ...
36
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3answers
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How do I write a “solid” Riddle?

This is about the objective interpretations/assessment/quantification of riddles. Let us define a riddle as a type of puzzle relying on the usage of only language and context. Using precise English ...
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3answers
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How can I procedurally generate Sokoban puzzles?

How can Sokoban puzzles be procedurally generated with a computer program, guaranteeing at least one solution? A simple algorithm might be: ...
31
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1answer
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I have forgotten what the puzzle was

I have a notebook in which I draft little puzzles during meetings my free time. I came up with one that was to post the acronym version of famous quotes along with the author's initials and the ...
28
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5answers
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What's a good way to introduce someone to puzzle-making?

First off THIS ISN'T A PUZZLE. It's a question about puzzle making, as the title suggests, though I thought I would make it clear, as I can see someone out there making a puzzle with such a title. ...
25
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5answers
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What are the features of a well-written puzzle?

When making a new puzzle, the average person is usually faced with a hard problem of guaranteeing quality. I want to know some key points and ideas, for beginners and experts alike, to keep in mind ...
25
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2answers
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Are there “rules” (or consistent conventions) that limit when the NY Times Crossword can deviate from rotational symmetry?

Most American crosswords use rotational (or "radial") symmetry so that squares directly opposite each other (through the center) are identical. In the Times, I've only seen this not be the case ...
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2answers
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How do you come up with a good classic rhyme riddle?

I'm asking about classic riddles as they appear in books and kids' literature, based on metaphors - not maths problems or tasks, or deceitful questions but just an old good-natured rhyme describing ...
22
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4answers
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How can I avoid the “Riddle-maker's Dilemma?”

When writing riddles, I often encounter an issue that I've decided to call the "Riddle-maker's Dilemma." (Forgive me if there's already a name for this.) In short, the line of thinking goes like ...
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9answers
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Riddles/puzzles having answer hidden in the question? [closed]

Can you give any example of riddles or puzzles in which the answers are someway "cleverly hidden" inside the question? I think that such examples are more common in word-related riddles, but maybe ...
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5answers
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Help me to find a small but hard and clever maze

For a competition, I need to choose a maze puzzle, only one. There are tons of mazes, but most of them are not clever, i.e. they are just solved by trial and error. Few days ago I saw A blue, white ...
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9answers
2k views

Ideas on puzzles for a scientific event

I hope this kind of question is welcome here. A festival of science will take place in a few months in my university, and I would like to set up a simple but exciting escape room for people to ...
19
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3answers
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The origin of the blue eyes puzzle

The Blue Eyes puzzle is possibly the most popular induction-based puzzle known. Is it really known who was the first to come up with it (in any form). The link at xkcd says: I didn't come up with ...
19
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2answers
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How to create a pure mathematical-logical based puzzle equivalent to resistance based physical puzzle?

I am thinking how to reformulate a physical puzzle in a way that it becomes purely logic based (doesn't uses physical lows and can be solved by a person, who knows nothing about physics). The puzzle: ...
18
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2answers
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Why does generating a Sudoku work in lines, but not in a random pattern?

So, I'll preface this by saying that I am not 100% whether this fits better here or on SO. That said: I've been trying to generate Sudokus using a backtracking algorithm to fill in the whole thing. ...
18
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1answer
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What are the tricks used in making a 'Rebus' puzzle?

There are quite a few ways rebus puzzles that hide a certain meaning. Some of them that I can recall off-hand are: Images - An image that just refers to what it looks like Placement - Placing a word ...
18
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2answers
628 views

How to choose the best answer in puzzles?

I gave my friends a lateral thinking puzzle There are six eggs in the basket. Six people each take one of the eggs. How can it be that one egg is left in the basket? My intended answer was But ...
18
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2answers
965 views

Generating ice-sliding puzzles which spell out words

Let's say I have a puzzle like this: The idea is that since you're on ice, once you start moving you can't stop until you hit a rock. If you treat the red/blue patches as paint that leaves trails ...
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10answers
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Riddles whose answer is “the moon” [closed]

The short version: what are five riddles whose answer is "the moon"? Longer: I'm preparing to run the D&D module "White Plume Mountain". At one point in that Adventure there's an encounter with ...
17
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4answers
793 views

Constructing interesting “Don't Know - Don't Know - Now I know!” type puzzles

The professor has a piece of hidden information $C$. Alice is given an envelope containing information $A$, Bob is given information $B$. It is possible to deduce $C$ from $A$ and $B$. The ...
17
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3answers
923 views

Single solved state for Sudoku Pyraminx

(Not sure if this is the correct stackexchange, but I think it is.) I recently bought 10 QJ Pyraminxes with an ambitious idea for a mod in my head. After just the first step of modding I realized it ...
16
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1answer
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Tips for solving poem riddles

Poem riddles are becoming more prolific and more popular on Puzzling.SE (examples: Pacoverflow Riddle Poem, Pacoverflow Riddle Poem #2, Identity Crisis: What Am I?). Inspired by the 'Tips for Golfing ...
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2answers
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Strategies for creating a cross sums puzzle with a unique solution

I am looking for strategies for creating a puzzle with a unique solution, and ways of testing for uniqueness. Specifically, I'm trying to create cross sums puzzles. How can you create one with a ...
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How can I generate mazes that often have multiple “forks” or choices?

The basic algorithm for procedurally generating mazes goes something like this: Choose a random available direction from the current square. If there is one, go there and repeat from step 1. ...
15
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1answer
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How to organize a treasure hunt?

I'm looking for guidelines on how to organize a good (IRL) treasure hunt. Are there steps to follow to ensure the available locations are used to the fullest? Good practices to organize my research ? ...
14
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10answers
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How can the “Boy or Girl” paradox be worded unambiguously?

The first time I encountered the Boy or Girl paradox I was struck by how ambiguous all of the formulations in English are. As Wikipedia notes: Gardner argued that a "failure to specify the ...
14
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9answers
890 views

Interaction of the three kinds

There're three kinds of it. Any two of the same kind will give you that same kind. Any two of the different kinds will give you the remaining kind. What is it? I don't know the ...
14
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1answer
796 views

Cryptic Clue Creation

In this puzzle, I put forth my first attempts at cryptic-clues, and would like some feedback/criticism on their construction. I'm curious to know: Do any of these not conform to these rules? ...
14
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1answer
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How to ensure your logic puzzle has no loopholes?

Alright, say you've made this logic based puzzle, but when you post it, people find tons of loop holes, that obviously wasn't what you want! You didn't tag it with lateral-thinking or brainteaser! It'...
14
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1answer
337 views

Finding the hidden path (new grid puzzle concept?)

I was toying around with grid-based puzzles, and I can up with a format that I'm not sure exists yet, and from my testing leaves only one solution. (If it exists or is broken, please let me know so I ...
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2answers
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Sudoku Construction Question

I'm one of a group of people building a big puzzle hunt. I have what I think is a pretty good idea for a puzzle, but I'm having trouble constructing it. Basically, what I need to do is make a sudoku ...
13
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3answers
636 views

Exponential time in a Blue Eyes variant

I created a variant of the Blue Eyes problem where the logic took 4901 days (over 13 years) to totally play out. I thought this was nice, but I was hoping for an even longer period of time. Of ...
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3answers
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How exact must the pieces of a wooden burr puzzle be?

I wonder how accurately I will have to work if I make a wooden burr puzzle out of square sticks as for example described in http://en.wikipedia.org/wiki/Burr_puzzle. Should the notches be exactly the ...
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5answers
891 views

How do you create a general locked-box problem?

In this question, I presented a puzzle involving seven locks, with a Grand Vizier and four slaves. But I would like to use this style of puzzle in some of my own secret-unlocking riddles, in order to ...
13
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4answers
705 views

The mess of Adrian Puzzlinger

Adrian Puzzlinger has gone missing again. Even worse, for puzzle lovers, the latest puzzle under construction is a mess. The only shred of order in the chaos of Puzzlinger's puzzler parlor is this ...
12
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1answer
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Burning ropes as timers - How many time intervals can be measured?

Note: This is a follow-up question to Burning ropes as timers. The following question and its answers may contain spoilers. To sum up the puzzle, these are the rules (slightly modified): You have ...
12
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1answer
406 views

The lists of Adrian Puzzlinger

Adrian Puzzlinger has gone missing again. Even worse, for puzzle lovers, the latest puzzle under construction is missing as well. The puzzle police are puzzled by an imprint of aligned lists of ...
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3answers
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How can I create Fillomino puzzles?

I've enjoyed Fillomino for a couple years now. It's a region filling puzzle situated on a grid. The number in each box represents the size of the polyomino it belongs to, and polyominos of the same ...
12
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1answer
659 views

What drives the brain when creating puzzles?

From as far back as psychologists Robert Sternberg, and Janet Davidson argued that solving puzzles entails the ability to compare hidden information in a puzzle with information already in memory, and,...
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2answers
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Submitting a puzzle to the NYT

Before I expire I'm hoping to get a crossword puzzle published in the NYT. I've submitted more than a dozen now but they have all been declined. In some cases there were comments returned ("We don't ...
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2answers
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Which number replaces the question mark in the circle?

While solving the number puzzle, I couldn't find any solution for this problem. Please help me solve it and briefly explain your answer. Which number will replace the question mark in the circle below?...
11
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3answers
853 views

Puzzle design: How to incorporate confirmation of an answer?

Sometimes when I'm designing a puzzle which has more than one stage, I'd like to incorporate a 'check' for some of the answers (e.g. the answers of the earlier stages). Example: This puzzle needed 2 ...
11
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3answers
414 views

What’s the most possible checkmates in one, but with no promoted pieces, in a position?

What is the most possible checkmates in one without promoted units in a position? It must all be legal, of course. Consider this a part two of this question: How many total checkmates can you ...
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2answers
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What's our Name? (Also: improve my riddle)

I've thrown together a quick riddle inspired by the as-of-yet unsolved riddle from CodeNewbie. I don't feel like it's very solid, though, and the cadence isn't quite right. It's easy to show that the ...
11
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2answers
7k views

Removing numbers from a full sudoku puzzle to create one with a unique solution

What is a simple and efficient way of removing numbers from a full sudoku puzzle to create one with a single unique solution? I have already figured out how to generate sudoku grids, like this one: <...
11
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1answer
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Futoshiki Puzzle with the least amount of clue

You are supposed to create a new $5$x$5$ Futoshiki puzzle with the least amount of clues possible, but this puzzle needs a unique answer. In other words, What is the minimum number of clues for $5$...
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3answers
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What's the best way to rate how difficult a maze is?

There's actually 2 parts to question; How to determine how hard your own maze is (knowing the solution) How to determine how hard another's maze is (without knowing the solution) What are some ...