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Project Prison: Prologue is app 4407490 on Steam. Player counts appear once the tracker has sampled it.

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SteamPeaks

Project Prison: Prologue

GameApp ID 4,407,490by True SeriaReleases 2026

WindowsEngine —

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App ID4,407,490

Release date2026

Engine—

Install size—

TypeGame

Last update7 Sep 2026

Steam DeckUnknown

DLC0

DeveloperTrue Seria

Changenumber38,670,298

PriceFree

Packages0

PublisherTrue Seria

SystemsWindows

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Depots0

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Project Prison: Prologue

True Seria
Releases 2026·App 4407490

Steam user reviews

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0 so far · summary at 10

SteamPeaks Rating

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Rated from 10 reviews

How it works

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Pattern appears after five builds

Builds in 30 days

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Project Prison: Prologue Patches · SteamPeaks

Project Prison: Prologue

Builds

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Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
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Project Prison: Prologue

When True Seria ships

Project Prison: Prologue

When True Seria ships

Patch notes

Builds