About this app
This is an educational game that allows you to learn the old Japan map as if you play a jigsaw puzzle produced by Digital Gene. This game is designed to be simple yet fun to play. Not only people who like the old Japan map, but also who are not good at geography can enjoy playing it. The app is best suited for people who want to learn the old Japan map or students who want to get ready for the exams. Or why don't you try this game to stay sharp during your spare time? The game also features 3 modes. You can improve your knowledge as you play the game aiming for the best time or compete against players. You can also collect picture panels when you satisfy certain conditions. So do your best to get all of them. When you're stuck on finding the location of a country, use the assist function. It will help you to navigate the correct location without hassling yourself. (*) Hokkaido and Okinawa are not included. Mutsu and Dewa is the state of before the Meiji era.
Latest release
What’s New
Added support for iOS 26. Improved stability and performance. Fixed various bugs.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 6:30 AM Free
Screenshots
