Mod Browser & Manager by - Oct 10, 2019

Cross platform mod API for Unreal Engine 4, to allow the browsing and downloading of mods via a C++/Blueprint interface.

  • Supported Platforms
  • Supported Engine Versions
    4.23 - 4.25
  • Download Type
    Engine Plugin
    This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.

Welcome to the Unreal Engine Plugin for, a cross platform mod support service for hosting mods created by the team behind and offers similar functionality to Steamworks Workshop (1 click mod installs in-game, mod hosting, moderation etc), and can be used to run your mod community on all platforms your game is released such as Steam, Epic Games Store, GOG, Discord, etc with consoles planned to come.

Benefits of using

  • Our platform is clientless, it works behind the scenes with no dependencies
  • You can embed into your game on any store or platform that will support it
  • You can build your own mod sites and discord bots using the API to integrate mods into your homepage, launcher and forums
  • Patronage, sales and marketplace functionality for mods can be enabled
  • Our platform is built with a love for mods and continually improving for your benefit

Large studios and publishers:

A private white label option is available to license, contact us to discuss.

Find out more:

Visit | About us | Add Game | Chat on Discord

Technical Details

The UE4 plugin simplifies the process of connecting your game to, a cross platform mod API. It allows you to browse, tag, rate, download, update and upload mods in-game.



Support: #unreal channel


  • Standalone
  • Open source, MIT licensed
  • Support from Unreal Engine 4.22 onwards
  • Mod browsing, tagging, rating
  • Prebuilt mod download and upload queue
  • Automatic downloads and updates
  • Email, GOG and Steam auth
  • Intuitive Blueprints layer with async callback proxies support
  • C++ Subsystem interface compatible with UE4 data types and delegates
  • Customizable though UE4 editor settings


  • 43 Blueprint callback proxies
  • 25 Blueprint callable functions
  • 27 UStructs
  • 8 Blueprints UEnum

Code Modules: modio: Runtime module

C++ Classes: 43

Network Replicated: No

Supported Development Platforms: Win64, macOS

Supported Target Build Platforms: Win64, macOS, Linux