Powerful Mod API

whitelabel available, get in touch for a demonstration

For developers

Deploy a bespoke modding solution tailor made for your game & controlled by you.

Global support

Great for console, mobile, DRM free & F2P games that need flexibility not tied to a store.

Patronage

Turn on trading & patronage to support creators & make mods a part of your games success.

How does it work?

Explore moddable games

Meeple Station
Meeple Station 5,136 20

0 A.D.
0 A.D. 43,517 15

Aground
Aground 11,537 83

OpenXcom
OpenXcom 13,851 47

Foundation
Foundation 6,852 14

Sinespace
Sinespace 1,405 70

ECO
ECO 4,384 22

Mondrian - Plastic Reality
Mondrian - Plastic Reality 158 8

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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 1 65

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

Library Frontend UI Backend Wrapper
HAXE Wrapper 1 55

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

SDK Unity Frontend UI Backend Client Server Wrapper
Unity Plugin 0 0

Unreal Engine PluginWe require an Unreal Engine Plugin. Interesting in building one? We'd love to hear from you!

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

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

SDK Lumberyard Frontend UI Backend Client Server Wrapper
Lumberyard GEM 0 0

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

SDK GameMaker Frontend UI Backend Client Server Wrapper
GameMaker Extension 0 0

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