puzzle

There's a hot air balloon hidden among the beach balls in this visual puzzle—how long will it take you to spot it?

Here, you'll find every kind of mechanical puzzle imaginable, from vanish puzzles to dexterity puzzles to "impossible" puzzles.

To find the keyboard hiding among the zebras in this black and white illustration, you'll have to look very closely.

Only 10 percent of people can solve these in under 30 seconds, according to Solar Centre.

Surely you can find the DeLorean and Batmobile.

It's harder than you think.

See how long it takes you to spot all six items.

Players get to sip wine while solving clues, and are rewarded with a full flight for breaking out.

Give them something that goes beyond the standard jigsaw puzzle.

Prospective SpaceX employees are often asked one particularly tricky question. Can you come up with the right answer?

There are more than 100 common proverbs hidden in Dutch artist Pieter Bruegel the Elder's 1559 work 'Netherlandish Proverbs'—can you find them all?

We'll take all four.

Look closely.

How much is an ice cream cone worth?

Can you solve the lighthouse problem?

Do you have what it takes to finish the Black Hell puzzle? Check out what might just be the world's hardest jigsaw puzzle.

An estimated 99 percent of people who attempt it fail.

Don't let your eyes deceive you.

This impossible-seeming task has a surprisingly simple solution.

Shortly before her death, the author sent her 8-year-old niece a New Year's greeting—written entirely backwards.

Can you find them all?

There are six words written on a board. Can you guess the correct one based on these clues?

The answer is deceptively simple.

The 3-D printed puzzles are programmed to generate like real agate stone.