Brainteasers are a fantastic way to give your brain a workout. They're known to enhance memory and focus, with some experts even suggesting that regular mental exercise could help delay the onset of dementia symptoms. There are numerous ways to keep your mind sharp, like playing chess or Sudoku, but why not mix things up and challenge yourself with a puzzle? You can even add a time limit to make it more exciting after all, who doesn't love a friendly competition? If you're on the hunt for a