By classifying by category, you can study common sense in the desired field separately.
It consists of the latest questions up to 24 years ago, allowing you to acquire a wide range of knowledge.

Additionally, not all questions are open and the next question is unlocked only when the correct answer rate for one question is over 70%. In this way, you can acquire deeper knowledge.

Let’s acquire the latest common sense with just one app and become a brainiac!