Word search puzzles have become one of the most popular puzzle challenges on the web. These seemingly simple puzzles ...

Who doesn't love a good visual puzzle? For years we've been publishing Spot the Difference puzzles in our print magazine. To play, you simply study the photo on the left, then compare it to the same ...

Word search puzzles have become one of the most popular puzzle challenges on the web. These seemingly simple puzzles ...

I have shared puzzles based on arithmetic in previous posts. They generated quite a bit of correspondence, acknowledging both their challenging nature and the possibility of different solutions to the ...

In the mood to challenge your brain? Here are some printable sudoku puzzles that are sure to make you think hard. Sudoku puzzles aren’t easy, but with a little practice and some helpful sudoku tips, ...

Picture puzzles are more than just fun games. These are brain puzzles that are great for testing observation skills. These puzzle images often hide or conceal objects in plain sight and challenge you ...

If you fancy yourself as a budding spy, GCHQ’s Christmas challenge will put your analytical skills to the test. The UK spy agency, which sets an annual quiz aimed at children aged between 11 and 18, ...

Welcome to New Scientist‘s devilishly difficult Christmas puzzle, set by Charlie Wheeler at Ultimate Quest. This year, your task is to work your way through the exhibits of a mysterious museum, ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...

Find the answer for Prenatal test, for short from the people who brought you the USA TODAY Daily Crossword Puzzle.

This week’s lovely puzzle was brought to my attention by one of our readers, Nicolas Audet. Nicolas says it was used as a brain teaser for a finance job interview. I have to hand it to Wall Street on ...

If you have ever taken an IQ-type test, then you are familiar with “odd-one-out” puzzles. Most such puzzles present figures, images, or symbols in a sequence, with the goal being to spot the one item ...