Brain teasers are challenges that test your thinking and problem-solving abilities. They often require you to think ...

Brain-training games remain unproven, but research shows what sorts of activities do benefit cognitive functioning.

And if the hints aren't enough, we'll even give you the answer, in case you're really stuck or just haven't had time to complete today's puzzle ... Games website here, and is entirely free.

"Challenging riddles designed to push your brain to its limits. Secret History uncovers the forgotten, mind-blowing facts ...

PC gamers have a classic strategy game that they can claim for free right now, thanks to a newly launched but short-lived ...

Connections is one of the best puzzle games from the New York Times. The game tasks you with categorizing a pool of 16 words into four secret (for now) groups by figuring out how the words relate ...