Others use expert puzzle strategies to strategize their way through a sudoku grid or work out a word search not necessarily ...

Challenge your observation skills by finding three subtle differences between two nearly identical images of an elderly man ...

You are among the top 2% of people with high IQ if you can guess the word correctly in this brain teaser puzzle in 4 seconds.

The New York Times' daily digital word puzzle, Connections, challenges players to categorize 16 words into thematic groups.

Test your IQ with this tricky brain teaser! Can you spot who is in danger in just 5 seconds? Only those with sharp ...

A good brain teaser or riddle can provide hours of entertainment for kids and adults. From math puzzles to word teasers, here ...

HERE is another fun brain teaser to test your eyesight and powers of logic. Everyone can see the egg timers on this puzzle – ...

A MIND-BOGGLING optical illusion has gone viral with many failing to spot the hidden number. The creators of the puzzle say ...

Think you have sharp eyes? Here’s a fun challenge for you! Hidden among a sea of number 5s is a sneaky little number 3—can you spot it? This optical illusion is a real test of your observation skills.

Recently, while I was hunting through a file for some class information, I came across a “good health” handout with tips a ...

Optical illusion challenge questions have emerged as the most sought-after challenge on the web. These astounding photographs ...

LASSO challenges players with a tricky five-letter word. With an average difficulty of 4.8 guesses, this puzzle kept word ...