From the ancient myth of the Sphinx guarding the gates of Thebes to modern escape rooms and viral internet brainteasers, humans have always been fascinated by riddles. A riddle is more than just a clever question—it’s a micro-story, a mental workout, and a timeless form of social play.

But what makes riddles so enduring, and why does solving one feel so satisfying?

Why do we love riddles? Neuroscience offers a clear answer: dopamine.

When you wrestle with a riddle, your brain engages lateral thinking—it searches for non-obvious connections, testing different angles. When the solution suddenly clicks, your brain experiences the “Eureka!” or “Aha!” effect. This moment triggers a release of dopamine, the neurotransmitter associated with pleasure and reward.

How many times?

It appears 20 times.