That "Nazotokikan" is back with a game app! Let's challenge the mystery of the mysterious hall with the cats "Gure" and "Lily". A total of 100 questions with plenty of answers from beginners to super difficult questions Let's make full use of your inspiration and try to solve various mysteries! !! Can you solve all the mysteries? ● Recommended for people like this ・ I like solving mysteries ・ I like escape games ・ I want to do an interesting app ・ I want to play a game to kill time ・ I want to play a game that I can play for free ・ I want to solve a mystery that has a solution ・ I love quizzes ・ I love detective novels and detective dramas ・ I am good at solving cases ● Features ・ Plenty of recording from simple problems to super difficult problems ・ It has a hint function that you can rest assured even if you can't solve it. ・ You can have fun solving the mystery while advancing the story. ・ There are also elements of escape games, so you can enjoy playing. ・ Because there are various problems, it will be a brain training ・ Illustrations can also be collected ・ You can play a lot in your free time ・ Because it is free, it is kind to your wallet!