How many people are playing Project Prison: Prologue Playtest right now?

Project Prison: Prologue Playtest is app 4425730 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Project Prison: Prologue Playtest?

0 concurrent players on 4 Oct 2026.

When was Project Prison: Prologue Playtest released on Steam?

Project Prison: Prologue Playtest was released on Steam on 7 Apr 2026.

Status

SteamPeaks

Project Prison: Prologue Playtest

BetaApp ID 4,425,730Released 7 Apr 2026

Playing now

All-time peak

20:15 UTC · 14 Oct 2026steampeaks.com

—Engine —

View on SteamSteamCompare

App ID4,425,730

Release date7 Apr 2026

Engine—

Install size4.53 GB

TypeBeta

Last update27 Sep 2026

Steam Deck—

DLC0

Developer—

Changenumber39,239,259

Price—

Packages0

Publisher—

Systems—

Followers—

Depots1

Compare this game

Project Prison: Prologue Playtest

Released 7 Apr 2026·App 4425730

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

Last seen

Sampled 5 hours ago · not a live figure

—of peak

All-time peak

4 Oct 2026

1 announcements · from Project Prison: Prologue Playtest’s Steam news feed

All gamesRead every half hour while active

Everything Updates1

Game update1 May 2026V 2.96Added a song in my honor. · Added a toilet, vending machine, and a couple of beds to the stash room for gang members to use. · Chemistry UI now shows an unknown result (x + y = ???). · No automated price in the trade panel while selling. · You can't sell to gang members anymore — if you try, they might attack you. · Break-even cost is now reflected in the trade panel. · Tackling has been disabl…

Nothing of this kind for this game.

Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.

Project Prison: Prologue Playtest News · SteamPeaks