Cross Platform Mod API

whitelabel available, get in touch for a demonstration

Quick Setup

Detailed documentation and open source plugins for Unity, Unreal + others gets you started quick.

Cross Platform

Support mods with 1 solution on PC, consoles and mobile compatible with popular stores.

Dependency Free

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

How to get started?

Explore moddable games

MORDHAU 341 28,120,246

SnowRunner 265 770,053

Space Engineers

Space Engineers 16,164 1,219,816

Totally Accurate Battle Simulator

Totally Accurate Battle Simulator 94,877 6,423,830

Foundation 161 1,526,123

Insurgency: Sandstorm

Insurgency: Sandstorm 74 383,538

Descenders 73 531,971

Playcraft 3,330 903,832

Tabletop Playground

Tabletop Playground 206 22,008

0 A.D. 25 195,829

Dashpanel 394 21,038

OpenXcom 141 103,992

Meeple Station 31 46,026

Contractors VR 23 6,652

Hypnospace Outlaw

Hypnospace Outlaw 20 9,654

Aground 118 69,909

The Snowboard Game

The Snowboard Game 5 266

Mount & Blade II: Bannerlord

Mount & Blade II: Bannerlord 9 2,214

Swords of Gargantua

Swords of Gargantua 25 1,060

Hard Times 8 377

Sinespace 72 2,174

Bridge! 3 20 235

Doodle Derby 39 437

Tyler Presents: Mischief Night

Tyler Presents: Mischief Night 1 25

SCP: Recontainment

SCP: Recontainment 5 24

Nuclear War Simulator

Nuclear War Simulator 3 17

Avis Rapida 3 25

Songs of the Eons

Songs of the Eons 2 16

Trains & Things

Trains & Things 1 34

Mondrian - Plastic Reality

Mondrian - Plastic Reality 10 274

Grow your game

Harness the power of mods to boost your games engagement and drive long-term success.

Ready to go

Save development effort, time and money by using our comprehensive modding platform.

Control Panel

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

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.

Flexible

Clientless and compatible with other modding platforms and communities.

Open API

SDK & tools to get started

Welcome 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

Upload, browse, search and download mods using the mod.io Unity plugin. It takes minutes to get setup and running, and has a customizable UI to make in-game mod browsing a joy.

Plugin Unity Frontend UI Backend Client Server

Unity Plugin 0 146

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

Wrapper Frontend UI Backend

HAXE Wrapper 0 159

ModBot for Discord

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

ModBot for Discord 0 34

Construct 2 Plugin

Control the browsing and installation of mod files in a Construct 2 game.

Plugin Construct Frontend UI Backend Client

Construct 2 Plugin 0 22

GameMaker Extension

Upload, browse, search and download mods using the mod.io GameMaker Studio 2 plugin.

Plugin GameMaker Frontend UI Backend Client Server

GameMaker Extension 0 48

Unreal Engine Plugin

Upload, browse, search and download mods using the mod.io Unreal Engine 4 plugin. It provides game developers with a C++/blueprint interface for easy integration with the mod.io API.

Plugin Unreal Frontend UI Backend Client Server

Unreal Engine Plugin 0 0

We 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