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 399 31,585,937

SnowRunner 386 1,725,468

Totally Accurate Battle Simulator

Totally Accurate Battle Simulator 101,274 7,060,577

Skater XL 640 89,437

Space Engineers

Space Engineers 21,377 1,763,182

Insurgency: Sandstorm

Insurgency: Sandstorm 91 767,613

Foundation 175 1,726,421

Descenders 74 604,910

Contractors VR 41 68,675

Playcraft 3,565 922,802

Aground 126 76,189

0 A.D. 26 207,462

Dashpanel 483 32,598

Tabletop Playground

Tabletop Playground 255 26,741

OpenXcom 139 110,271

Meeple Station 31 48,069

Nuclear War Simulator

Nuclear War Simulator 6 340

SWORDS of GARGANTUA

SWORDS of GARGANTUA 34 3,507

Hypnospace Outlaw

Hypnospace Outlaw 21 11,030

Mount & Blade II: Bannerlord

Mount & Blade II: Bannerlord 9 2,607

Mondrian - Plastic Reality

Mondrian - Plastic Reality 10 283

The Snowboard Game

The Snowboard Game 6 403

Holodance 4 106

Sinespace 72 2,191

Bridge! 3 21 294

Songs of the Eons

Songs of the Eons 2 19

SCP: Recontainment

SCP: Recontainment 17 43

Hard Times 8 422

Trains & Things

Trains & Things 1 35

Doodle Derby 39 473

Avis Rapida 3 29

Ghost And Sword

Ghost And Sword 3 146

Tyler Presents: Mischief Night

Tyler Presents: Mischief Night 1 25

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 0 175

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 46

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 57

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 32

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

Wrapper Frontend UI Backend

HAXE Wrapper 0 161

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