Remember those childhood days? If you knew a good riddle that nobody could crack, you be cool. So how about I make your casual Saturday morning a little interesting by waking up your 'still-grumpy' mind using these brain-teasers. Let's just cut to the chase. You clicked on this app because you wanted a challenge. You saw the headline and thought, "I bet I can figure those riddles out. I'm smarter than the other 90% of people who get stumped by them. Bring it on." Well, stranger, we will bring it