How many people are playing Underground Prisoner right now?

Underground Prisoner has 0 players on Steam right now, with a 24-hour peak of 0 and an all-time peak of 0 on 9 Sep 2026.

What is the all-time peak player count of Underground Prisoner?

0 concurrent players on 9 Sep 2026.

When was Underground Prisoner released on Steam?

Underground Prisoner was released on Steam on 13 May 2024.

Status

SteamPeaks

Underground Prisoner

GameApp ID 2,943,380by Joi MaxReleased 13 May 2024

WindowsEngine —

View on SteamSteamCompare

App ID2,943,380

Release date13 May 2024

Engine—

Install size46.3 MB

TypeGame

Last update24 Apr 2024

Steam Deck—

DLC0

DeveloperJoi Max

Changenumber35,324,149

Price$7.49

Packages1

PublisherJoi Max

SystemsWindows

Followers—

Depots1

Compare this game

Underground Prisoner

Joi Max
Released 13 May 2024·App 2943380

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

—of peak

All-time peak

9 Sep 2026

Update cadence · public branch

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PICS live

868 days

Since last public build

24 Apr 2024, 05:13 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2024 · UTC

When Joi Max ships

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0369121518

Underground Prisoner Patches · SteamPeaks

Underground Prisoner

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
24 Apr 2024	Wed	05:13	No patch notes · unannounced build	14155010	public	1	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Underground Prisoner

When Joi Max ships

Underground Prisoner

When Joi Max ships

Patch notes

Builds