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 344 28,264,564

SnowRunner 268 803,177

Totally Accurate Battle Simulator

Totally Accurate Battle Simulator 95,015 6,438,857

Space Engineers

Space Engineers 16,340 1,233,275

Foundation 160 1,532,986

Insurgency: Sandstorm

Insurgency: Sandstorm 74 387,912

Descenders 73 533,797

Dashpanel 402 21,406

Playcraft 3,342 904,514

0 A.D. 26 196,158

OpenXcom 141 104,218

Tabletop Playground

Tabletop Playground 210 22,155

Aground 118 70,003

Meeple Station 31 46,078

Contractors VR 24 6,729

Hypnospace Outlaw

Hypnospace Outlaw 20 9,696

Swords of Gargantua

Swords of Gargantua 25 1,068

Mount & Blade II: Bannerlord

Mount & Blade II: Bannerlord 9 2,225

The Snowboard Game

The Snowboard Game 5 269

Mondrian - Plastic Reality

Mondrian - Plastic Reality 10 276

Doodle Derby 39 438

SCP: Recontainment

SCP: Recontainment 5 25

Hard Times 8 377

Sinespace 72 2,174

Bridge! 3 20 235

Tyler Presents: Mischief Night

Tyler Presents: Mischief Night 1 25

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

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

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 2 50

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 0 147

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 35

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

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

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