Mental Workout: Casual Challenge! Riddles for Adults
How do you all kill time?
Using your smartphone for the internet or games is the go-to, but even then, there are times when you get bored if you keep doing it, right?
Still, just spacing out and waiting for time to pass doesn’t feel great either.
So how about this: let’s go back to our childhood selves and try some riddles.
I’ve put together questions that should be relatively easy, so give them a shot as a light mental workout.
Some are more like quizzes that require a bit of knowledge, so you might even learn something!
- [Brain Training] Difficult Riddles That Even Adults Struggle With
- [Challenging and Fun!] Quizzes & Riddles for Adults
- [Trick Quiz] Quiz Questions That Excite Everyone from Kids to Adults
- A quiz that seems easy but is actually hard: trick questions that make you think flexibly
- [Battle of Wits] Stimulate your intellectual curiosity! Quiz questions that get adults excited
- [Interesting] A collection of brain teaser quiz questions. Let's train your brain!
- Interesting riddles: a collection of simple and fun questions
- Quiz for junior high school students
- A math quiz for adults. Can you solve it?
- Fun Quiz Questions That Will Liven Up the Office [2026]
- Do you get tripped up too? A fun roundup of 10-time quiz questions
- Take on the challenge like a puzzle! A collection of logic quizzes that also work as brain teasers.
- [Simple Riddles] A curated selection of fun questions that will excite everyone from kids to adults!
[Brain Teasers] Try them casually! Riddles for adults (11–20)
26 fun riddles that everyone can enjoy, from kids to adults!
As you’d expect from something enjoyable for both adults and children, many of the puzzles are quite easy.
That said, there are a few that might stump adults whose thinking has gotten a bit rigid, making it a surprisingly fun experience.
It also seems like it would be enjoyable to work through them together with your child.
A riddle that requires flexible thinking
This is a video that collects riddles requiring flexible thinking.
Kids might actually be better at this type of riddle than adults.
If you have children, it could be fun to tackle them together as a family.
Of course, doing them alone as brain training is also recommended.
Can your friends use it too? Brain teasers and brain training problems!
There are puzzles you can’t solve by thinking about them in the usual way, and others where the answer becomes easy if you reverse your perspective—but if you’re stuck with the preconception that it’s a riddle, you still can’t solve them.
They’re great mental exercises, so please give them a try.
When you think hard and the correct answer suddenly comes to you, it’s sure to be fun.
Riddle Picture Book
For those who find it hard to picture riddles when they’re presented only in text, I highly recommend this riddle picture book! It includes illustrations related to each riddle, so I’d love for people who struggle with riddles to give it a try!
Can only 5% of adults solve these? Five quizzes for kids!
It’s a set of puzzles touted as “ones most adults can’t solve,” but once you know the answers, they’re so simple you can’t help but say, “Oh, that’s all it was.” The tricky part is coming up with those simple answers.
Since each puzzle hinges on straightforward thinking, it might be fun for parents and children—especially with kids in elementary school and up—to tackle them together.