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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.

The plugin for Unreal Engine enables cross platform mod and UGC support, and is live in over 50 games on stores including Steam, Epic, Xbox, PlayStation, Switch, iOS and Android. provides all the functionality needed to support the discovery and installation of mods in-game, is easy to implement, and provides powerful metrics and dashboards for game owners to grow their mod community. is created by the team behind who have 18+ years experience working with UGC.

Benefits of using

  • Ship mods everywhere your game is released with one unified solution
  • Easy to setup and well documented, with everything solved from submission to download
  • Moderation and reporting systems to ensure content is safe and follows the rules you define
  • Deeply customizable, build your own mod site or discord bot or use ones we've premade for you
  • Patronage, sales and marketplace functionality for mods can be enabled
  • 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:

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