Akumu City: Idle Tycoon

Akumu City — A Cozy City with a Hidden Mystery
Welcome to Akumu City, a lively Japanese city filled with cozy cafés, colorful arcades, charming characters, and unexpected discoveries. Open your own businesses, watch the streets come to life, and uncover the secrets hiding beneath this seemingly ordinary city.
Build and Grow Your Businesses
Start with a small cat café and gradually expand into arcades, convenience stores, anime cafés, karaoke spots, sushi shops, and more. Welcome customers, collect earnings, and upgrade your businesses to attract even more visitors.
Collect business and staff cards, unlock helpful characters, and automate your shops to keep the income flowing. Your businesses can even earn money while you're away!
Discover Fun Minigames
There's more to Akumu City than managing shops! As you complete chapters, unlock short, interactive minigames inspired by Japanese culture and everyday activities.
Sing your heart out in karaoke, prepare sushi, try manga drawing, enjoy arcade challenges, open capsule toys, and discover more activities as you progress through the city.
Every chapter brings something new to experience.
Meet Characters and Follow Their Stories
Get to know Ibuki and the people of Akumu City through illustrated conversations and story moments. Discover their personalities, build connections, and follow an unfolding story filled with friendship, emotion, and mystery.
But not everything in this cheerful city is quite what it seems. Strange events begin to unfold, and each chapter brings you a little closer to the truth.
Collect, Upgrade, and Unlock More
Complete business goals to progress through chapters, collect rewards, upgrade your staff, and unlock new outfits for your favorite characters. There's always another shop to grow, another activity to try, or another piece of the story waiting to be discovered.
Whether you're stopping by to collect your earnings or spending time exploring the next chapter, Akumu City brings together relaxing idle management, playful minigames, and an intriguing story in one illustrated Japanese world.
Grow your businesses. Enjoy the little moments. Discover what's really happening in Akumu City.