"知らないと恥ずかしい一般常識" is an educational quiz game developed by nullhouse for the Android platform. This app aims to help users improve their general knowledge through quizzes. With questions ranging from the Nikkei Stock Average to everyday life facts, the game offers a diverse range of 200 general knowledge questions.

The app provides explanations for each question, making it easy for users to understand even if they are unfamiliar with the topic. The quizzes are designed to be completed in small increments, with each session consisting of five questions. This makes it a great option for filling up spare moments and exercising the brain.

The game also features a trophy system that rewards players for their performance. Achieving high scores and completing all questions correctly can earn players trophies, including a gold trophy for completing all questions. This adds a sense of achievement and encourages continuous learning.

Overall, "知らないと恥ずかしい一般常識" is a comprehensive and engaging quiz game that helps users enhance their general knowledge while providing an enjoyable brain-training experience.