Updated Aug 6, 2026 · v1.0.29
A brain-based quiz app based on the popular "Finding Super Mistakes" and "Brain Activity Challenge" in the Nihon Keizai Shimbun! Recommended for you who want to solve more!
Challenge your brain with various quizzes and aim to improve your brain activity score! ▼Overview ・Quiz Types…【Spot the Difference】【Crossword】【Number Place】 ・Clearing the above quizzes will increase your "Brain Activity Score" ・Quizzes are added regularly Packed with quiz games you'll want to play as long as you have time, from extremely difficult spot-the-difference puzzles to the addictive number logic puzzle, Number Place! Use it to pass the time or create conversation topics every day, with crosswords that will give you interesting trivia to share with others. ▼About Subscriptions This app can be enjoyed for free, but there is a limit to the number of questions you can solve. Subscribe to a monthly paid membership to access all questions. ————————————— First Month Free Campaign in Progress —————————————— Install the app and try it for free. Activate your brain anytime, anywhere with Nikkei Brain Activity Quiz! ・This app is also compatible with various tablets.
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