Challenge your observation skills by spotting the hidden odd letter among the 'd' sequence series. This quick IQ test boosts ...

If Paris is to France and Rome is to Italy, Tokyo is to... What would the correct answer be?If you took Part 1, you already ...

Test your brain with this tricky puzzle that stumps 90% of people! Are you smart enough to crack it? Challenge yourself and ...

The NYT Mini Crossword has evolved into a daily ritual for many, offering a quick, brain-sharpening challenge that tests wit ...

Sometimes, the immune system runs amok and attacks the organ that makes us “us” — the brain. It's called autoimmune ...

Ready to put your brain to the ultimate test? Check out these genius-level puzzles that will really make you think! If you ...

Get ready for a fun and brain-teasing optical illusion challenge that will put your focus and observation skills to the test!

A visual puzzle challenges readers to find a hidden butterfly within an image of a family watching television, complete with ...

Some even believe that regular mental exercises can help delay the symptoms of dementia. Puzzles come in various forms, and ...

Flex your brain muscles with The Atlantic Games! From Fluxis to Bracket City and Stacks, today's puzzles offer a perfect ...

The NYT Mini Crossword, one of The New York Times most popular daily puzzles, served up a quick but clever challenge on ...

NOW most of the leaves have fallen off the trees, winter is well and truly on its way. And as the frosty weather creeps ...