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1500 questions
30
votes
1 answer

Labyrinth of stones

Help Princess PurpleSprite navigate through the labyrinth to retrieve the mystical jewel. She can slide the lettered stones around as needed, but she must not leave any non-words, or the labyrinth will collapse! The movement should be intuitive,…
SlowMagic
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1 answer

PSE Advent Calendar 2021 (Day 20): Candy Cane Sudoku

This puzzle is part of the Puzzling Stack Exchange Advent Calendar 2021. The accepted answer to this question will be awarded a bounty worth 50 reputation.< Previous Door Next Door > So I was planning on doing a holiday themed Sudoku: I had my grid…
Jeremy Dover
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30
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1 answer

M᠎ini​m​alis᠎m᠎

Your final answer should describe the puzzle (more or less).
noneuclideanisms
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30
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13 answers

Five hats and four logicians in a circle

I found this question in a book. The solution is correct (and complicated). No tricks involved. Four men were seated around a table. They were blindfolded and a colored hat was placed on each of their heads. They were told a true statement "The…
ghosts_in_the_code
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1 answer

Hokuro Puzzle: Introduction

This is an entry for Fortnightly Topic Challenge #44: Introduce a new grid deduction genre to the community. This puzzle type is inspired by Kakuro, and it has similar rules. Kakuro is short for 'kasan kurosu' (加算クロス) meaning 'addition cross'. Using…
sarsaparilla
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30
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11 answers

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", but I'm struggling to prove it one way or another. By…
Nathan Merrill
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30
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3 answers

I am sick and tired of hearing this

A US state declares victory showing an important document in the last year of a wonderful 7 year period What is that?
DrD
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29
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1 answer

George Orwell Sudoku

Here is a puzzle I created today. The title is "George Orwell Sudoku" Normal Sudoku rules apply. In every coloured group of three cells the middle digit must equal the sum of the other two digits – and remember that (yes you guessed it) two plus two…
happystar
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29
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7 answers

The most words that can be made by successively adding one letter to the original word?

What is the largest number of words that can be made by just adding one letter to the original word, where each iteration is a meaningful word? E.g. HO HON HONE HONES HONEST HONESTY The original word can have as many letters as you want; you can…
Aasim Azam
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29
votes
4 answers

Creating the hardest 6x6 maze

You are given an empty 6x6 grid. You are allowed to paint some of its cells as walls (black), while the remaining cells stay empty (white). A robot is programmed to start in the top-left corner of the grid and visit the other three corners^ using…
Dmitry Kamenetsky
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29
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3 answers

A strange dictator

I am a strange dictator. I meet with three of my fellow leaders at a square table. In discussions I'll always agree with whoever's across from me and almost never agree with whoever's next to me. My mood changes often, and my subjects often curse…
H Rogers
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29
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2 answers

On The Subject of Discolored Squares

(This is part of a series of puzzles written for Timwi for a Secret Santa puzzle exchange, themed around various custom modules for the game Keep Talking and Nobody Explodes. No KTaNE knowledge is necessary for any of these puzzles except the final…
Deusovi
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29
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2 answers

The answer is the same (tricky puzzle!)

Fill in the right words and the answer can be read across. Enjoy! Expensive Automatic Life Shrink Nadir Named Winter
P1storius
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29
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4 answers

What is my clock telling me to do?

My two year old played with my calendar clock, and while it still shows the correct time, now it tells me my name, where I work, and also something I should do, which I'd rather not. What is it? Hint 1 The clock is a fairly cheap device available…
knabar
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29
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1 answer

What is a Useful Word™?

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a Useful Word™. Use the examples below to find the rule. Useful Words™ Not Useful…
Rubio
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