How many people are playing Undercity of Sin right now?

Undercity of Sin has 4 players on Steam right now, with a 24-hour peak of 5 and an all-time peak of 5 on 25 Sep 2026.

What is the all-time peak player count of Undercity of Sin?

5 concurrent players on 25 Sep 2026.

When was Undercity of Sin released on Steam?

Undercity of Sin was released on Steam on 6 Dec 2025.

Status

SteamPeaks

Undercity of Sin

GameApp ID 3,721,940by Manten KoboReleased 6 Dec 2025

Playing now

All-time peak

18:57 UTC · 25 Sep 2026steampeaks.com

WindowsEngine —

View on SteamSteamCompare

App ID3,721,940

Release date6 Dec 2025

Engine—

Install size1.32 GB

TypeGame

Last update5 Dec 2025

Steam Deck—

DLC0

DeveloperManten Kobo

Changenumber37,706,112

Price$10.39

Packages1

PublisherKagura Games

SystemsWindows

Followers—

Depots3

Compare this game

Undercity of Sin

Manten Kobo·Kagura Games
Released 6 Dec 2025·App 3721940

Steam user reviews

Mostly Positive

79.6%· 113 reviews

Recent —

SteamPeaks Rating

56.1 Mixed

Recent 30 days —

How it works

Playing now

+4 vs. yesterday

80%of peak

All-time peak

From the store page

Achievements

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No achievements.

Undercity of Sin Achievements · SteamPeaks