Intelligence encompasses problem-solving, creativity, and emotional understanding. To gauge it, take varied tests, challenge ...

In Connections, each category has a different difficulty level. Yellow is the simplest, and purple is the most difficult.

The puzzles are computer generated. Sometimes an easy puzzle may be more difficult than it should be and vice-versa. There is exactly one solution to a puzzle. The puzzles published on Saturdays and ...

But the very hardest riddles go beyond even that. They can feel like running into a brick wall. Your brain starts spinning in circles, trying every possible angle, but nothing qui ...