Koalageddon - The Open-Source DLC Unlocker for PC.

Koalageddon is a open-source DLC unlocker and DRM monitoring library for PC. It integrates with Steam, Epic Games, EA App and Ubisoft Connect to enable downloadable content entitlements for the games you already own running entirely locally as a lightweight, MIT-licensed dynamic library trusted by gamers, modders and security researchers worldwide.

Trusted by 80,000+ gamers, modders & researchers worldwide

Active Installs

DLC entries indexed

10 k+

Platforms supported

0 5

Open license

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What is Koalageddon?

Koalageddon is an open-source DLC unlocker and DRM analysis library for the PC ecosystem. It hooks into the entitlement APIs of Steam, Epic Games, EA App and Ubisoft Connect, intercepts DLC ownership queries, and returns the responses you configure — without modifying any game files or contacting external servers.

Originally built as a research tool for studying how PC storefronts gate downloadable content, Koalageddon has grown into the most widely used open-source DLC unlocker on Windows, with a global community of contributors maintaining its DRM signatures, integrations and documentation.

Lightweight by Design

Koalageddon is a compact native C++ library with negligible memory footprint and zero measurable impact on game performance.

Built for Everyone

From casual PC gamers to advanced reverse-engineers, Koalageddon's clean UI and JSON config make DLC management universally accessible.

Transparent & Modular

Each storefront integration is an independent module — fully open-source, independently auditable and selectively enabled.

Why Koalageddon is the leading open-source DLC unlocker.

Koalageddon combines DRM process monitoring, multi-platform DLC entitlement handling and a transparent, MIT-licensed codebase into a single Windows-native library that runs entirely on your machine.

Universal DLC Unlocking

Reveal and enable every detected DLC entry for the games you own across Steam, Epic, Origin and Uplay.

Multi-Platform Injector

A single installer hooks into all four major PC storefronts simultaneously — no per-game patching required.

DRM Process Monitoring

Tracks DRM-related DLLs as they load and reports entitlement queries in a structured, readable log.

Per-Game Configuration

Granular allow / block lists let you unlock specific DLCs and leave others untouched, per-app or globally.

Live Entitlement Inspector

Watch DLC IDs, app IDs and ownership flags stream in real time as games query the storefront.

Automatic Updates

Self-updating signature database keeps Koalageddon working as Steam, Epic and others ship new DRM revisions.

What makes Koalageddon different

Koalageddon was engineered around five principles that distinguish it from every other DLC unlocker on the PC platform.

One Tool for Every PC Storefront

Instead of installing a separate DLC unlocker for each launcher, Koalageddon delivers unified support for Steam, Epic Games, EA App and Ubisoft Connect from a single MIT-licensed library.

Native Performance, Zero Game Overhead

Koalageddon hooks only the DRM and entitlement APIs of storefront clients — never your game's render loop. The result is full DLC access with the same framerate, memory usage and latency as before.

Granular DLC Configuration

Koalageddon's per-platform JSON config supports allow lists, block lists, app-ID overrides and DLC-ID patterns — giving advanced users surgical control over which entitlements are enabled.

Free, Open Source, MIT-Licensed

Koalageddon is permanently free, with the full source code published on GitHub. There are no premium tiers, no donations gated behind features, and no analytics, telemetry or fingerprinting of any kind.

Resilient to Storefront Updates

An auto-updating signature database keeps Koalageddon compatible as Steam, Epic Games, EA App and Ubisoft Connect ship new DRM revisions — with new signatures typically published within hours of a client update.

Why Koalageddon is the leading open-source DLC unlocker.

Koalageddon delivers stable, signed integrations for the four largest PC game storefronts and runs natively on Windows 10 and 11, with experimental Linux support via Wine and Proton — including the Steam Deck.

Steam

All Steam titles

Epic Games

EGS launcher

EA / Origin

EA App + Origin

Ubisoft Connect

formerly Uplay

Windows

10 / 11 (x64)

Linux

Wine / Proton

How Koalageddon is deployed on your PC.

Koalageddon ships as a signed Windows installer that registers itself as a per-storefront DLL injection layer. No game binaries are modified, no files are patched on disk, and the entire installation can be reverted from the Koalageddon UI.

Step 1 – Download Latest Release

Visit the official website koalageddon.org and download the latest Koalageddon installer from the releases section.

Step 2 – Run the Installer

After downloading, run the setup file and follow the installation instructions to install Koalageddon on your system.

Step 3 – Install Platform Integrations

Open Koalageddon and install the integrations for the gaming platforms you use, such as Steam, Epic Games, EA/Origin, or Ubisoft Connect.

Step 4 – Restart Your Game Launcher

Close your game launcher completely and open it again so the changes apply and everything works correctly.

Common Koalageddon issues, explained.

A reference of the most frequently reported Koalageddon scenarios — from antivirus false positives to DRM signature refreshes documented for fast lookup.

Antivirus deletes Koalageddon on install

Koalageddon injects into storefront processes, which most heuristic scanners flag. The binaries are signed and the source is public — add an exception for the install folder before re-running the installer.

DLC still appears locked after install

Make sure you fully exited the storefront client (check the system tray) and restarted it after installing. Also confirm the platform’s integration is enabled inside the Koalageddon UI.

How do I unlock DLC for only specific games?

Open the Config folder and edit Koalageddon.config.json. Add the game’s app ID to the ‘app_blacklist’ or use the per-platform ‘dlc_ids’ override block to control exactly what is enabled.

Online games kick me or fail VAC checks

Never enable Koalageddon for competitive multiplayer titles. Add their app IDs to the blacklist before launching. Koalageddon is intended for single-player and DLC inspection use cases.

Storefront shows 'integrity check failed'

A storefront client update has shipped a new DRM revision. Open Koalageddon and click ‘Check for updates’ — signature databases are usually refreshed within a few hours of a client update.

Inside the Koalageddon architecture.

Koalageddon operates as a three-stage entitlement pipeline that intercepts DLC ownership queries between PC storefront clients and the games they launch — entirely in user space, with no kernel drivers and no network calls.

Storefront Launches

When you start Steam, Epic, Origin or Ubisoft Connect, Koalageddon's loader is automatically attached to the storefront process.

DRM Hooks Install

Koalageddon hooks the entitlement and DLC enumeration APIs of each platform, intercepting ownership queries in real time.

DLC Appears Unlocked

When a game asks the storefront 'do I own this DLC?', Koalageddon answers 'yes' for any DLC you've allowed — instantly and locally.

Frequently asked questions about Koalageddon.

Everything you need to know about Koalageddon what it is, how it works, which platforms it supports and how it stays safe to use.

What is Koalageddon?

Koalageddon is an open-source DLC unlocker for PC. It hooks into Steam, Epic Games, EA / Origin and Ubisoft Connect to enable downloadable content that the storefront would otherwise report as locked.

Who is Koalageddon for?

Players who want to access DLC for the games they own, modders building game-mod ecosystems, and security researchers studying how PC DRM and entitlement systems work.

Is Koalageddon free?

Yes — Koalageddon is 100% free and released under the MIT license. There are no premium tiers, no donations required, and no telemetry.

Does Koalageddon modify game files?

No. Koalageddon only injects into the storefront client (Steam, Epic, EA, Ubisoft). Your game installations and game files remain completely untouched.

Does Koalageddon collect any data?

No. All operations happen locally on your PC. Koalageddon never connects to any server other than GitHub for update checks, and update checks can be disabled.

Which DLCs can Koalageddon unlock?

Any DLC the storefront knows about for the games you own. Koalageddon enumerates the DLC list reported by the platform and returns ‘owned’ for the ones you allow.

Can I unlock DLC for games I don't own?

No. Koalageddon does not pirate base games — it only modifies the response to DLC ownership queries for games already in your library.

Can I selectively enable specific DLCs?

Yes. Each platform has its own override block in the config file where you can add allow / block lists by DLC ID, app ID or pattern.

Does it work for multiplayer or VAC-protected games?

Koalageddon is intended for single-player and DLC use cases. Always blacklist competitive multiplayer titles before launching them — the project ships with a default blacklist for popular VAC games.

Is there a GUI?

Yes. Koalageddon includes a simple Windows GUI for installing and uninstalling per-platform integrations, viewing the live entitlement log and editing config.

Which storefronts are supported?

Steam, Epic Games Store, EA App (formerly Origin) and Ubisoft Connect (formerly Uplay) are all fully supported with stable integrations.

Which operating systems work?

Windows 10 and 11 (x64) are fully supported. Linux works via Wine and Proton with experimental status — most users have success on Steam Deck.

Does it work on macOS?

macOS is not officially supported because the targeted storefront clients are Windows-only on the gaming side. CrossOver setups have been reported to work in the community.

Will it work after my storefront updates?

Yes — Koalageddon ships with an auto-updating signature database. When a storefront client updates, new signatures are typically published within a few hours.

Does it work alongside other mods or trainers?

Generally yes. Koalageddon only touches storefront processes, so it co-exists with most game mods and trainers without conflict.

How do I install Koalageddon?

Download the signed installer from the GitHub Releases page, run it as Administrator, then click ‘Install’ next to each platform you use inside the Koalageddon UI. Restart the storefront and you’re done.

Do I need administrator rights?

Yes — installing the integration DLLs into the storefront’s Program Files location requires elevated permissions on Windows.

Is there a portable version?

Yes. A portable ZIP build is available on the Releases page if you’d rather not run an installer. Extract anywhere and run Koalageddon.exe as Administrator.

How do I update Koalageddon?

Open the app and use ‘Check for updates’ from the Settings menu, or download the newest installer and run it over your existing install — your config will be preserved.

How do I uninstall it?

Open Koalageddon and click ‘Uninstall’ next to each platform integration, or run the uninstaller from Windows Settings → Apps. No leftover files remain.

Why does my antivirus delete Koalageddon?

DLC unlockers use process-injection techniques that heuristic scanners flag generically. Add an exclusion for the install folder. The binaries are signed and the full source is on GitHub for audit.

Why don't I see DLC unlocked after installing?

Make sure the storefront client is fully closed (check the system tray) before restarting it. Also confirm the integration is shown as ‘Installed’ inside Koalageddon.

Will I get banned from Steam / Epic for using this?

Koalageddon has been designed to avoid touching multiplayer or anti-cheat code paths, and ships with a default blacklist for VAC-protected titles. Always blacklist competitive games before launching them.

How do I report a bug?

Open an issue on the GitHub repository with your Koalageddon version, the affected storefront version, and the relevant section of Koalageddon.log. Triage usually happens within 24 hours.

Where can I get community help?

The GitHub Discussions board is the primary support channel, and there are active community Discord and Reddit threads where power users share configs and tips.

What the community says about Koalageddon.

Trusted by 80,000+ PC gamers, modders and security researchers across Steam, Epic Games, EA App and Ubisoft Connect.

"I’d bought half of these season passes years ago and lost the entitlements after several re-installs. Koalageddon brought every single DLC back in under five minutes."

"I build mods that depend on optional DLC content. Koalageddon lets me test against every DLC combination without juggling separate game installs — a huge time saver."

"The cleanest open-source reference I’ve found for understanding how Steam, Epic, and Ubisoft handle DLC entitlement queries. The code is easy to follow and incredibly useful for research."