Idle Outpost: Upgrade Games game cover art for Android
Idle Outpost: Upgrade Games Icon

Idle Outpost: Upgrade Games APK for Android

AppQuantum Original
21M+
Free
Jul 10, 2025

A post-apocalyptic simulator of trade and defense, where every sunset brings profit, and every night – a wave of zombies.

Download Idle Outpost: Upgrade Games APK 1.21.25 125MB

What is Idle Outpost: Upgrade Games?

For fans of survival simulators with post-apocalyptic elements, the opportunity to install the game application Idle Outpost: Upgrade Games has appeared. Become the last surviving human on planet Earth among a horde of zombies.

The end of the world has come, and you are given the role of managing a trading post, where trade with survivors is conducted during the day, and war with zombies at night. Whether you can build the most prosperous trading empire in the new world will become known in the process of the game. Create your outpost, trade with surviving people and build your empire with an attractive atmosphere.

At the beginning of the game, you are given a small outpost in a place resembling a dump. It needs to be cleared and from it begin the creation of a trading empire to become a real tycoon who bathes in wealth. Start with an abandoned outpost in the desert, expand it and improve it as you earn profits and extract resources. Gradually progressing through the game, open new locations from abandoned gas stations to underground oil storage facilities.

Gameplay:

Post development: you start with a small point in the wasteland and gradually upgrade it – repair buildings, expand, improve infrastructure.
New locations: progress unlocks outposts in different biomes: deserts, forests, winter camps, abandoned gas stations, underground storage facilities, etc.
Battles with zombies: at night, your fortifications are stormed by terrifying zombies – you need to fight them off.
Monetization and training: extracted resources are spent on improvements, accelerators, traps, chests, equipment and pets.

Features:

Passive income: you receive profit even when you are not playing (offline idle).
Requires internet: for entering daily bonuses, events and synchronization with the server.
2D atmosphere: simple rendering and atmospheric style, reminiscent of old flash games.
Frequent updates: regular patches with new events, performance improvements and bug fixes.

Idle Outpost: Upgrade Games is an atmospheric and addictive simulator in a 2D setting. If you enjoy survival strategy and upgrading a post-apocalyptic business with zombie battles involved, then the game deserves attention. However, it may seem monotonous and require investment or active interaction with advertising.

Also known as: IdleOutpost
Video of Idle Outpost: Upgrade Games
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Download Idle Outpost: Upgrade Games APK for Android

What's New in Version 1.21.25

Massive Update is HERE!

⚔️ Real-Time Combat – Fight waves of enemies and powerful bosses with abilities like crit, stun, poison, and combos.

🐾 Pets Join the Fight – Collect pets and equip up to 5 to battle alongside you.

🤖 Drone Tech – Build and upgrade your combat drone.

🌿 Herb Farming – Grow herbs to unlock powerful bonuses.

📚 Books & Character Progression – Upgrade books and choose your specialization.

⚙️ Tactical System Rework – Improved progression and balance.

Available Files

System Requirements

OS Version
Android 5.0 (Lollipop) or higher
Architecture
Varies by file (Which one do I need?)
Disk Space
~200 MB free space required
RAM
2 GB
Internet
Not required (Offline playable)
Google Services
Required
Permissions (19)
  • Internet
  • Access Network State
  • Wake Lock
  • Access Adservices Ad Id
  • Read App Info

APK File Details

Package ID com.rockbite.zombieoutpost
Available on Google Play
Developer AppQuantum
License Free
Monetization Contains Ads   In-App Purchases
Age Rating Everyone
Interface Language
English +16

English, Hindi, French, Spanish, German, Vietnamese, Arabic, Italian, Portuguese, Russian, Japanese, Thai, Korean, Turkish, Chinese, + 2 localizations

APK Verification & Virus Scan Results

No Virus Signature Verified Safe & Original

Virus scan: Clean (0/64) View report. This APK is free of malware and its signature matches the official developer release.

Show File Details (SHA-256, SHA-1, MD5)

SHA-1 Signature:

090c0af06204faed6bb8de9ee934cb5a0ea3f1a4

SHA-256 Hash:

58e1b392913b1fcbfcdf0d0952d274b9a1229e0f4ea08d508b41f0e00622d936

MD5 Checksum:

b41426006c64d309a0c7f210bdba8e7b

Frequently Asked Questions

Is Idle Outpost: Upgrade Games safe to download?

Yes, Idle Outpost: Upgrade Games is safe to download. The APK is scanned on every update — no malware or viruses detected. You can verify the full scan report in the Security section above.

How to install XAPK file?

XAPK is a split APK package. Standard Android installer cannot open it directly. Use 'SAI' or 'XAPK Installer' — they handle XAPK files automatically. Download the installer, open the XAPK file with it, and follow the on-screen steps. Read more

What Android version does Idle Outpost: Upgrade Games require?

Idle Outpost: Upgrade Games requires Android 5.0 (API 21) or higher. Optimized for Android 14 (API 34).

Is Idle Outpost: Upgrade Games free?

Yes, it is free to download and use, but it contains ads and offers in-app purchases.

How to update Idle Outpost: Upgrade Games to the latest version?

Download the latest APK from this page and install it over your existing version — no need to uninstall first. Your data and settings will be preserved. We update the file as soon as a new version is released.

What processor architecture does Idle Outpost: Upgrade Games support?

Idle Outpost: Upgrade Games supports arm64-v8a. This build does not support x86/x86_64 processors, so it will not run on most PC emulators. If you are unsure about your device architecture, check the Device Info section on this page.

How to enable installation from unknown sources on Android?

Go to Settings → Security (or Settings → Apps → Special access on Android 8+) and enable "Install unknown apps" for your browser or file manager. On Android 8 and above this setting is per-app, not global. Read more

If you have found any issue or are having difficulty with this page, please .

User Reviews & Ratings

Global rating(Play Store): 3.79(105.8K)
Site Rating: 5(1)
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