Explore why challenging word search books for adults are rapidly growing in popularity. Learn what makes hard word searches so appealing and how they benefit the brain.

Every great puzzle begins with a spark—and in this case, that spark was a combination of curiosity, mischief, and a borderline unhealthy love for word games. Learn about the thought-process that lead to SomeThink's creation of Clueless Word Searches.

What makes a word search puzzle genuinely challenging? Here we look at the factors that increase a word search from Easy to Hard.