Solving hard riddles is good for you! And if you were searching for a thorough selection of hardest riddles, look no further ...

Here at PopMech, we love mind-bending math and logic puzzles, which is why we regularly recruit the sharpest minds in the world to concoct riddles that will test your critical thinking, mathematics, ...

Two secret agents need to meet for the very first time. They don’t know anything about each other—can’t even be sure that they live in the same hemisphere—and they will recognize the other agent when ...

Test your brain with these 22 Christmas riddles and see if you can solve them before the Grinch gets you. This holiday riddle challenge is packed with festive puzzles, clever wordplay, and fun brain ...

On the top of our list of problem solving games for kids are online games, mostly because of their variety and major current use of them. As it is impossible to name all of them, we advise you to ...