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Recommended quizzes

[Interesting] A collection of brain teaser quiz questions. Let's train your brain!

Have you ever thought, “My thinking ability has declined lately,” or “I’ve been making a lot of careless mistakes”? Maybe you’ve been more forgetful, too.

In times like that, how about trying some brain exercises or quizzes? We’ve gathered a wide variety of quiz questions and brain teasers, from easy ones to slightly more difficult ones.

Some are quick enough to do in a short spare moment.

With brain-training quizzes, the value lies in the act of thinking itself, even if you don’t get the right answer—so give them a try!

[Interesting] A collection of brain-teaser quiz questions. Let's train your brain! (11–20)

Flash Idea Prefecture Quiz

[Prefecture Name Quiz] 20 Questions! Difficult but Fun Brain-Teaser Prefecture Quiz Introduced [Includes Hard Questions]
Flash Idea Prefecture Quiz

Here’s a prefecture quiz that relies on flashes of inspiration.

The idea is to name Japanese prefectures that match a given theme—for example, “Which prefecture names include the character for love (ai)?” You’ll probably remember them when you hear the names, but when you’re asked out of the blue, it’s surprisingly hard to answer.

If you keep taking on this quiz, it might even help you study geography.

And if you’re thinking, “I have no idea,” try tackling it with YouTube videos that offer hints.

18 Brain Teasers

18 Brain Teasers to Make You Smarter Overnight
18 Brain Teasers

Quizzes that let you think things through are great, but rapid-fire quizzes are fun too, right? This time, the quiz has a short 7-second time limit.

In exchange, there are lots of questions, so it’s perfect for anyone who wants to enjoy a bunch of quizzes.

If you want to give your quiz brain a solid workout, be sure to give it a try!

Inspiration Quiz

[Brain Training Quiz] Ingenuity matters! Fire up your brain and try to solve these problems!! 5 questions in total [Mental Gymnastics]
Inspiration Quiz

This is a quiz that helps you train the flash of insight you need for work or study.

If you can answer in an instant, you might be quite the inspiration master.

The more you use your brain, the stronger it gets, so give it a try.

Solve it every day and you might become a quiz master too.

Aim for the championship!

Simple fill-in-the-blank quiz

Simple Quiz 1: “How about giving your brain a workout with some easy questions?”
Simple fill-in-the-blank quiz

It’s fun to rack your brain solving tough problems, but it’s also nice to build confidence with easy ones.

In this quiz, you’ll get questions anyone can answer right away.

It’s great training for recalling characters in an instant, so give it a try.

Some of you might recall words other than the answer, and that’s perfectly fine.

Let’s train your intuition.

Spot the difference

[Spot the Difference] Find the 2 differences! A brain-training exercise to sharpen your mind
Spot the difference

Spot-the-difference puzzles, familiar from quiz shows and the like, require careful attention to detail and a shift in perspective.

You need to spread your focus across various areas rather than fixating on just one spot, which helps develop a range of skills.

Some puzzles are so challenging that even the solutions can be hard to understand.

If you consider yourself a true spot-the-difference master, you just might get a perfect score.