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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94
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1answer
11k views

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
6k views

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
7k views

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 ...
40
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7answers
8k views

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 ...
38
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3answers
4k views

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 ...
35
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10answers
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What are some examples of “cheat-proof” trivia questions?

I'm planning on running a Zoom trivia tournament with monetary prizes and am trying to avoid any concern about cheating to preserve competitive integrity. What are some types of questions that are ...
33
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3answers
5k views

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
2k views

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 ...
29
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5answers
2k views

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. The ...
27
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2answers
1k views

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 ...
26
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15answers
7k views

Is this a good question for an IQ test? [closed]

Once, in a college class of mine, my teacher defied each of us to elaborate a good question for an IQ test. I proposed the following one. Is the option C a correct answer for this question? Please ...
26
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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 ...
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9answers
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Is there a puzzle that is only solvable by assuming there is a unique solution?

Is it possible to construct a puzzle that is: Solvable if you assume there is a single unique solution Not solvable if you do not make this assumption My intuition says that the answer is "No&...
23
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2answers
6k views

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
4k views

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 ...
21
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9answers
4k views

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 ...
21
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5answers
7k views

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 ...
20
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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
4k views

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 ...
18
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2answers
3k views

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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4answers
950 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 ...
18
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1answer
7k views

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
676 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
1k 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 ...
18
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2answers
2k views

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: ...
17
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10answers
46k views

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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11answers
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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 ...
17
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1answer
18k views

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 ...
17
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2answers
368 views

What to make of $\!\:\tt puzzle.\!txt$?

Puzzling Stack Exchange: Don’t even ask where I found the old printout, below, of an uncommented computer program. As I am a leading-edge software solutionaut hone-tuned for elegantly annotated ...
17
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3answers
1k 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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2answers
2k views

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 ...
15
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1answer
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Is this 3d Sudoku possible?

I was looking at images of 3d Sudoku's on Bing, because I was looking for a $9\times9\times9$ Sudoku, where each horizontal, vertical left-right and vertical top-bottom plane was also a Sudoku. ...
15
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1answer
1k views

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'...
15
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4answers
5k views

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
2k views

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 ? ...
15
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1answer
616 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 ...
14
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9answers
910 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 answer. I'm trying ...
14
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2answers
2k views

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 ...
14
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1answer
2k 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? ...
13
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3answers
982 views

How does one go about creating a new grid-deduction puzzle?

The grid-deduction tag covers puzzles like Sudoku, Kakuro, etc. where the goal is to fill in a grid of numbers [/letters/colours] in a unique way by logical deduction from some predetermined rules and ...
13
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3answers
693 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 ...
13
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2answers
652 views

How many total checkmates can you possibly make against the enemy king?

Just an interesting idea for a puzzle that I had So, I decided to see how many possible checkmate I could theoretically make, in a legal position that can be legally reached. Always assume that the ...
13
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1answer
524 views

GameDev: stuck with first puzzle design, would love resources to study from or algorithm suggestions!

First time posting here and I'm really, really hoping this is the community I've been looking for. I'm developing a game, right now I'm in the middle of designing levels as the core mechanics have ...
13
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3answers
3k views

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 ...
13
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5answers
986 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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1answer
701 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,...
12
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2answers
6k views

Creating a Kakuro puzzle with a unique solution

I start with a grid of black and white cells. I randomly populate the white cells from numbers (1-9) using Kakuro rules. Then I calculate the horizontal and vertical sums. I remove the numbers from ...
12
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4answers
594 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. Promotions are allowed in the game, but the position is not allowed to start with ...
12
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1answer
4k views

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
426 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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