indiegame.fan
Undercity of Sin header art

Undercity of Sin

Asuna Hoshizuki is beautiful, loudmouthed, and hits like a freight train. A jobless dropout, she doesn't have much of a life, but she has a loving mother and a family restaurant she helps out at.

Steam Page
Developer
Publisher
Release
December 5, 2025
240 days ago
Steam Reviews
Very Positive110 reviews80.0%

Does this feel indie?

Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.
No votes yet
Vote on More Games
Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 13, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 13, 2026Publisher scaleThe operating scale of the game's publisher.
The separate publisher has a broad catalog or developer network in the local database.
Search Google: Is Undercity of Sin self-published or published by Kagura Games?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Undercity of Sin and Kagura Games funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Undercity of Sin and Manten Kobo?Creative controlWho appears to retain creative control of the game.
Updated: Jul 13, 2026Release statusWhether and how the game has been released.
The game was released through a separate publisher.

Media

6 items

About the Game

Asuna Hoshizuki is beautiful, loudmouthed, and hits like a freight train. A jobless dropout, she doesn't have much of a life, but she has a loving mother and a family restaurant she helps out at. But after a run-in with a band of yakuza, she finds herself deep in debt to a crime family. With a net worth amounting to a few loose coins and some pocket lint, she's left with no choice but to work for the very men she's indebted to. But in the process, she learns about a secret underground world, a cyberpunk city hidden from sight. Now to pay off her debt, Asuna will have to use her incredible strength to help the Matsuba Clan seize control of the crime-ridden Undercity.

Experience a story of crime and gang warfare as you fight your way through eight procedurally generated dungeons full of machine soldiers and superpowered weaponry, and explore a skill tree with numerous ways to power up your character as you overcome this traditional turn-based RPG.

A Cyberpunk Yakuza-Themed Story

Dive into a cyberpunk world and the city's dangerous underbelly! Get entangled with the yakuza and struggle to regain your freedom!

Eight Special Dungeons

Explore eight procedurally generated dungeons as you battle your way to freedom through traditional turn-based combat!

Skill Tree

Unlock passive and active skills through an expansive skill tree! Level up or use items to farm skill points and turn Asuna into an unbeatable hero!