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1500 questions
35
votes
1 answer

There are many different types of men

Disclaimer: no offence intended to Americans, Australians, or any other group! It's all part of the puzzle. What am I talking about in the following riddle? There are many different types of men; They often come in groups of two or three. Each group…
Rand al'Thor
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35
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6 answers

What are the criteria for determining the difficulty of Sudoku puzzle?

What are the criteria for determining the difficulty of Sudoku puzzles? Is it a subjective estimation based on the author's experience, or are there any precise guidelines? For example, there are some sudokus, where in each step there's always at…
user66
35
votes
5 answers

I'm made up of down, what am I?

You see me all day I'm sharp I show you your way But you show me what to show you I exist, but not in your dimension I'm made up of down My older language is by rotation But now through light (though in the end it comes down to the same shocking…
nine9
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1 answer

Coins on a table

John and Jane are playing a game. They both go to the bank and each get 1000 euros in two-euro pieces. So each of them has 500 coins at stake. They then find a large rectangle table and decide that whoever wins the following game gets to keep all of…
Kevin
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4 answers

Why is a single-corner twist not a valid position on a Rubik's cube?

For those of you familiar with the solution to the Rubik's cube, you will know that a single-corner twist is not a valid position. It can neither be attained by scrambling, nor can it be solved if it occurs. I understand that there's some…
user20
35
votes
4 answers

literally no idea

Clues What a conductor gives to an out-of-tune player? You perform this in Spring Sung by musical miners? Those behind bars keeps tabs on this Sounds something like a big colourful Spanish bird A pretty endearing advance Loosen your shoes Find a…
chasly - supports Monica
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1 answer

Name the 25 Ants

When solving the Contagious Ants on a Meterstick problem, puzzlers often overlook the fact that ants are sophisticated creatures with names, dreams, and personalities. _ _ _ (_) _ _ _ is an expert navigator, and is especially skilled in the…
COTO
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1 answer

Perplexing Fireworks

In the Perfectly Pixelated Puzzling Plaza, some people were setting off fireworks. Being the puzzling fellows that they are, they couldn't bear to just set off fireworks for the sheer enjoyment of it (who would want that?). So they decided to hide a…
Tryth
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35
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1 answer

Why have I stopped listening to my favorite album?

Why have I recently stopped listening to my favorite Smashing Pumpkins album? JK, I still love it.
caPNCApn
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5 answers

A Queen and her Pawns

Place a queen and as many pawns as possible on a chessboard so that the queen has just one way of capturing all the pawns in precisely as many moves as there are pawns. Pawns do not move and do not protect each other. (Based on an idea of Maurice…
Bernardo Recamán Santos
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1 answer

Can you solve this gogen puzzle?

I created this gogen puzzle myself: Add the 25 letters between A and Y to the grid above. Each one should appear exactly once. When you have finished, you must be able to spell the following words moving horizontally, vertically or diagonally…
35
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1 answer

Hint: Hint: Hint: Hint: Hint:

At 23 I am cold. But at 8 all I did was Hint: Hint: Hint: Hint: Hint:
risky mysteries
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35
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3 answers

The maze one should not enter

Once upon a time, somewhere in Italy, two archaeologists unearthed a buried passage. As they explore the passage they reach the doorway which is clearly the entrance of a wide structure behind. They see well-built passages made of square stone…
Florian F
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1 answer

The answer may not make sense to you

I am Half an idea Fifth of a cm Partly a reminder Fully a doctor And a desired statue Who am I?
DrD
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10 answers

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 more-or-less "cheat-proof?" (that is, they can't…
Parseltongue
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