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.
- Price:$10.39
- Release Date:12/6/2025
- Franchise:Kagura Games
- Developer:Manten Kobo
- Publisher:Kagura Games
- Last Updated:12/18/2025
- Steam App Id:3721940
Undercity of Sin
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Undercity of Sin has 19 concurrent players online and in-game. This is 90% lower than its previous all-time peak of 195 players achieved on 12/7/2025.
Review History Chart
Track historical review trends and overall ratings for Undercity of Sin. It has received a total of 82 reviews on the Steam store and achieved a Player Score of 75 (Very Positive).
Price History Chart
Track historical price changes and trends for Undercity of Sin. Right now, it costs $10.39 in the Steam Store.
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.
Players have rated Undercity of Sin as "Very Positive" out of 82 total reviews on the Steam Store. These are split between 69 positive reviews and 13 negative reviews — an overall 84% positive review rating.
It is available for gamers to download and play for $10.39 which is a 20% discount off its base price. It can also be purchased through Trending Games December 2025 and Kagura Bundle which give a discount off its base price.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
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.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Trending Games December 2025 | 3 | 3 | $25.53 | View |
 | Kagura Bundle | 198 | 198 | $1,660.69 | View |
Related Packages
Undercity of Sin is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Undercity of Sin | $10.39 | View |
Supported Languages
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 |
Frequently Asked Questions
Soures & References
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Undercity of Sin data has been sourced from:
- Valve Corporation. (2025, December 18). Undercity of Sin on Steam. Steam Store. https://store.steampowered.com/app/3721940
- Valve Corporation. (2025, December 18). Undercity of Sin. Steam Community Hub. https://steamcommunity.com/app/3721940
- Manten Kobo. (2025, July 16). Undercity of Sin. Undercity of Sin. https://www.kaguragames.com/