The best riddles. Anywhere.

Hard Riddles

These are very hard riddles, some of the hardest riddles we have ever come across. Try your best to figure out the answers before looking at our solutions.

Reasoning

You are the janitor at a prison with 100 prisoners locked in separate, soundproof and windowless ...
You meet a magician and his assistant, who decide to show you a trick. The assistant leaves the ...
There is a prison with 100 prisoners, each in separate cells, which are sealed off, soundproof and ...
100 people find themselves at the gates of hell. The devil tells them that they'll have a chance to ...
Ten pirates find a buried treasure of 100 pieces of gold. The pirates have a strict ranking in ...
Three kids, Writey, Fruity, and Spicy, are standing around. Their friend, Bob, proposes a ...
People are waiting in line to board a 100-seat airplane. Steve is the first person in the line. He ...
You are given a mystery ball and are told that it has a whole-number weight between 1 and 40 lbs ...

Probability

You and a friend are standing in front of two houses. In each house lives a family with two ...

Logic

At the end of class on a Friday afternoon, a math teacher announces the following to his students: ...
You and your wife organize a dinner party. You invite four other husband-wife couples. You and your ...
The King calls in three wise men and tells them to all close their eyes. While their eyes are ...
100 married couples live on a remote island. There is a law on the island that states that if a man ...
There is an island with 100 women. 50 of the women have red dots on their foreheads, and the other ...

Lateral Thinking

A man goes to a movie at the local theater. In the middle of the movie, the man smiles in delight. ...
A man goes into an ocean-side restaurant and orders the albatross dish. He takes a single bite when ...

Language

What English word can be used any number of times in a row (without changing the spelling at all) ...

Math

Consider a 10-character string consisting of the numbers 0 through 9, with each number appearing ...

Spatial

Look at the two images. They are composed of the exact same pieces (as shown by the colors), and ...

Programming

You stand before a 100-story building with two eggs. Using only these two eggs, you must figure out ...

Chess

The Knight's Tour is a famous chess problem, in which a knight starts on the top-left square of an ...