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.
Last Updated: 1/9/2026
| Steam Price | $12.99 |
| Release Date | 12/6/2025 |
| Franchise | Kagura Games |
| Developer | Manten Kobo |
| Publisher | Kagura Games |
| Steam App Id | 3721940 |
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.
Last Updated: 1/9/2026
- Windows
- Mac
- Linux
- Steam Deck (Playable)
About Undercity of Sin
Undercity of Sin is a RPG, and Adventure game developed by Manten Kobo. On 12/6/2025, it was released on the Steam Store by Kagura Games.
It can be played and ran on Windows systems. At the moment, it is possible to play Undercity of Sin on the Steam Deck but some functionality may not be fully supported.
According to Steam’s category system, Undercity of Sin supports the following features:
- Single-player
- Family Sharing
From the Steam community, Undercity of Sin has been tagged with the following user tags:
- RPG
- Mature
- Nudity
- Hentai
- Cute
- RPGMaker
- Sexual Content
- Anime
- NSFW
- Adventure
- Female Protagonist
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for Undercity of Sin and see the latest screenshots from the Steam Store.
Related Bundles
Undercity of Sin is included in 2 bundles in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Trending Games December 2025 | 4 | 4 | $26.97 | View |
 | Kagura Bundle | 199 | 199 | $1,695.15 | View |
Related Packages
Undercity of Sin is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Undercity of Sin | $10.39 | View |
Supported Languages and Localizations
Undercity of Sin is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like Undercity of Sin through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Undercity of Sin.
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Undercity of Sin data has been sourced from:
- Valve Corporation. (2026, January 9). Undercity of Sin on Steam. Steam Store.
- Valve Corporation. (2026, January 9). Undercity of Sin. Steam Community Hub.
- Manten Kobo. (2025, July 16). Undercity of Sin. Undercity of Sin.