Welcome to Gunma. Soon, everything will be Gunma.

"Gunma's Ambition" is a hilariously chaotic idle simulation game where your ultimate goal is to conquer all 47 prefectures and turn the entire map of Japan into one giant Gunma Prefecture!

Harvest delicious local specialties, amass a massive fortune of "G," and launch your glorious invasion of Japan. Featuring real, updated population data from the 2025 Japan Census, this is the ultimate geographical takeover experience!

* Tap & Harvest: Delicious local specialties appear on your screen over time. Just tap to harvest them and rack up "G"! Level up to supercharge your earning efficiency.

* Conquer Japan: Spend your hard-earned "G" to invade and transform other prefectures into Gunma. Watch the map turn into Gunma one by one!

* Sugoroku Board Game: Roll the dice in this fun mini-game to boost your funds and grab exclusive gacha tickets.

* Collect Municipalities: Use your tickets to draw Japanese municipality cards. Can you collect them all and become a master of Japanese geography?

Embrace the ambition. Download now and start your journey to make Japan all Gunma!