Twist your brain with various quizzes and aim to improve your brain activity score.

▼Overview
・Quiz types: [Find mistakes] [Crossword] [Number place]
・If you clear the above quiz, your "brain activity score" will grow.
・ Mini quizzes to acquire knowledge will be given once a day
・Quiz will be added from time to time

Full of quiz games that you'll want to play as long as time allows, such as super-difficult spot-the-differences and addictive number-logic puzzles such as Sudoku!
There are crosswords where you can learn trivia that you want to talk to people, and mini quizzes that are updated daily, so please use them as part of your daily killing time and creating topics.

▼ About subscriptions
You can enjoy this application for free, but there is a limit to the number of problems that can be solved.
If you register as a monthly paid member, all problems will be solved as much as you want.
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First month free campaign in progress
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First, install the app and try it for free.
Let's exercise your brain anytime, anywhere with the Nikkei brain activity quiz!

・This application can also be used on various tablets.