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Version
v1.20.5
Latest
Size
174.4 MB
Total
Category
arcade
Developer
SayGames Ltd
Views
341
Updated
2026-09-22
Screenshots
Lost Prison – Shelter Survival Mod is an arcade survival game that combines idle prison management with RPG exploration and battles. You build a prison, establish rules for your kingdom, manage resources, and develop your character while the prison continues operating when you are away.
The game also supports offline play, so you can continue exploring and progressing without an internet connection.
Build an Idle Prison Empire
Your first major task is to construct a prison and turn it into the foundation of your empire. The prisons operate automatically, help keep the empire clean, and prevent criminals from escaping while you focus on development.
Resource management is central to improving your kingdom. You need to manage and use resources effectively so you can upgrade the empire and make it stronger and more modern. Because the prison keeps growing every minute, you do not need to remain present constantly to lead its progress.
Plan Your Prison Growth
Lost Prison – Shelter Survival Mod gives you a strategic system for developing the prison. You can upgrade strategies or combine them to create new strategies that are stronger and more effective. Choosing how to use available resources and how to improve your approach shapes the way your empire develops.
Explore a Survival RPG World
Alongside prison management, the game offers missions, battles, and an exploration journey through a dangerous world. You can travel freely through the world without the restrictions described in the source material, giving the survival RPG side a separate focus from the idle prison system.
Your character has a progression system that allows continued development. As the character grows, you can take on opponents with greater confidence during the game's battles.
Offline Play
You can play Lost Prison – Shelter Survival Mod without an internet connection. This makes the exploration, missions, battles, and prison development available when a network connection is unavailable or inconvenient.
Recent Release Details
The release notes for version 1.20.0 add an upgrade for the expedition car and introduce Night City. This area includes thorny barriers to burn, new obstacles and resources, and secret rooms that can be unlocked with special keycards or dynamite.
The same release notes mention new animations for obtaining the Hammer and Flamethrower, along with bug fixes, stability improvements, and performance optimizations.
MOD Features
- Menu
- Free Purchases
- Menu
- Free Purchases
What’s New
v1.20.5Version 1.20.0 is here:
- Upgrade your expedition car and head out to the Night City.
- The Night City awaits, with thorny barriers to burn, new obstacles and resources, and secret rooms to unlock using special keycards or dynamite.
- New animations for obtaining the Hammer and Flamethrower make these powerful weapons feel even more impactful.
- Bug fixes, stability improvements, and performance optimizations for a smoother gameplay experience.
Release notes published by the developer on Google Play.View on Google PlayRetrieved 2026-09-16
Verified package facts
These values are read from the installable file and cross-checked against the app's Google Play listing. JoJoy does not run antivirus scans and does not test each build on physical devices.
Data Safety
Published by Lost Prison – Shelter Survival’s developer on Google Play. It describes what the official app collects and shares, reproduced here so you can review it before installing.
- Data is encrypted in transitYour data is transferred over a secure connection
- Data can’t be deletedThe developer doesn’t provide a way for you to request that your data be deleted
Data this app may collect
- Device or other IDs
- Device or other IDsFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
- App activity
- App interactionsFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
- Other actionsFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
- App info and performance
- Crash logsAdvertising or marketing · App functionality
- DiagnosticsFraud prevention, security, and compliance · Analytics
- Other app performance dataFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
Data shared with third parties
- Device or other IDs
- Device or other IDsFraud prevention, security, and compliance · Advertising or marketing · Developer communications · App functionality · Personalization · Analytics
- App activity
- App interactionsFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
- Other actionsFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
- App info and performance
- Crash logsFraud prevention, security, and compliance · Analytics
- DiagnosticsFraud prevention, security, and compliance · Analytics
- Other app performance dataFraud prevention, security, and compliance · Advertising or marketing · App functionality · Personalization · Analytics
View on Google PlayRetrieved 2026-09-22
Mod Review
This build suits players who want prison management to continue while they are away and who also want offline exploration, missions, and battles. It is less suitable if you prefer a standard store installation or want clear details about exactly what the mod menu changes. The game collects device or other IDs, app interactions, crash logs, diagnostics, and performance data, so privacy-focused users should review that before installing. The release notes also describe new Night City content, which makes version matching important.
What the mod changes
The supplied label is “Menu, Free Purchases,” and the source lists “MOD MENU” and “Free In-App Purchase.” It does not explain which menu controls are available or which purchases are affected. The original prison-building, resource management, progression, exploration, missions, battles, and offline play remain the stated game systems. Treat the label as an indication of the modified build, not as a complete feature guide.
Pros
- Idle prisons continue operating while you are away, which suits shorter play sessions and gradual empire development.
- Offline play keeps prison growth, exploration, missions, and battles available when an internet connection is unavailable.
- Night City adds barriers, resources, obstacles, and secret rooms opened with keycards or dynamite.
- Strategy upgrades and combinations give resource management a direct role in developing the prison empire.
Cons
- The mod description does not explain what the menu contains, so its practical changes cannot be verified from the listing.
- The app collects IDs, interactions, diagnostics, crash logs, and performance data, which may concern privacy-conscious players.
- The listed build may not match the release notes for version 1.20.0, including its fixes and Night City content.
Verdict
Install it if you want an offline survival RPG with an idle prison layer and accept the unclear mod details. Before installing, check that your device runs Android 8.0 or newer and compare this build with the listed version information.
FAQ
What do you build in Lost Prison – Shelter Survival?
You construct a prison and use it as the foundation of your kingdom. The prison operates automatically while you manage resources, improve strategies, and develop the wider empire.
Can you play Lost Prison – Shelter Survival offline?
Yes, the source describes offline play. It states that you can continue the game's prison development, exploration, missions, and battles without an internet connection.
What does the Menu, Free Purchases mod change?
The supplied mod label lists Menu and Free Purchases, while the source also says MOD MENU and Free In-App Purchase. It does not explain the menu options or specify which purchases are affected, so the exact changes are not defined.
What was added in the recent release notes?
The release notes for version 1.20.0 mention an upgraded expedition car and the Night City area. They also list new obstacles, resources, secret rooms, Hammer and Flamethrower animations, bug fixes, stability improvements, and performance optimizations.
What Android version is required?
The listed minimum requirement is Android 8.0 or higher. The page also lists the file size as 182887593 bytes, so check available storage before installing.
Version History
- v1.20.5Current174.4 MBAndroid 8.0 +Download Mod
- v1.19.1177.5 MBAndroid 8.0 +Download Mod