Cross Platform Mod API

whitelabel available, get in touch for a demonstration

Easy to Setup

Manage your mod community, with a powerful control panel that puts you in charge.

Cross Platform

Support mods with 1 solution on Steam, Epic Games, Discord, GOG, itch.io, consoles and mobile.

Dependency Free

No client needed, mod.io runs behind the scenes to power 1 click mod installs for your players.

How to get started?

Explore moddable games

Totally Accurate Battle Simulator
Totally Accurate Battle Simulator 9,441 186,918

Foundation
Foundation 32 349,351

0 A.D.
0 A.D. 20 93,365

OpenXcom
OpenXcom 93 42,989

Meeple Station
Meeple Station 29 28,956

Eden World Builder
Eden World Builder 1 16

ECO
ECO 32 6,991

Aground
Aground 104 33,270

Mondrian - Plastic Reality
Mondrian - Plastic Reality 10 248

Sinespace
Sinespace 72 2,033

Hard Times
Hard Times 2 25

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Plug'n'Play

Use tools built for Unity, Unreal & more to make supporting mods a breeze.

Flexible

Clientless and compatible with other modding platforms and communities.

Free & unlimited

Let us manage storage, bandwidth & scaling so you can focus on developing your game.

Always evolving

Our team is constantly improving the platform, and interested in your requirements.

Built from experience

Trusted by 33 million visitors annually to ModDB & IndieDB, our developer communities.

Marketing

Harness the power of mods to promote your game, and we'll make sure everyone knows.
Open API

SDK & tools to get started

SDKWelcome to the official SDK, built using C and C++. It's purpose is to allow game developers to support the automatic installation of mods in their games.

SDK Unity Unreal GameMaker RPGMaker Source Lumberyard Backend Client Server
SDK 0 192

HAXE WrapperHAXE wrapper simplifies the integration of mod.io in game engines such as OpenFL, Kha or awe6.

Wrapper Frontend UI Backend
HAXE Wrapper 0 100

ModBot for DiscordInvite the official mod.io ModBot to your Discord server, and be notified when mods for your favorite games are updated.

Tool Client
ModBot for Discord 0 5

Unity PluginOur Unity plugin is designed to allow easy support of mod.io, a modding API for game developers.

Plugin Unity Frontend UI Backend Client Server
Unity Plugin 0 41

Unreal Engine PluginDevelopment of the Unreal Engine Plugin has begun. We are working on a way to cook and submit mods to mod.io as well as using the mod.io API to control the browsing, downloading and installation of mod files in game.

Plugin Unreal Frontend UI Backend Client Server
Unreal Engine Plugin 0 0

Lumberyard GEMWe require an Lumberyard GEM. Interesting in building one? We'd love to hear from you!

Plugin Lumberyard Frontend UI Backend Client Server
Lumberyard GEM 0 0

GameMaker ExtensionWe require an GameMaker Extension. Interesting in building one? We'd love to hear from you!

Plugin GameMaker Frontend UI Backend Client Server
GameMaker Extension 0 0

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