You’ll use logical thinking and problem-solving skills to figure out the answers. Start off with the tricky riddles and then ease into the more challenging riddles. These will be more fitting–and maybe even fun–for adults who want to elevate their critical thinking and problem-solving skills. Some of these hard riddles might be complicated for kids, though it doesn’t hurt to challenge their critical thinking skills. These hard riddles are best for those with keen math skills, science skills, and a general IQ of 90 to 110. These are some of the hardest riddles for ages 18+.
By January Nelson Updated September 23, 2021
