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 351 29,262,684

SnowRunner 291 1,023,393

Space Engineers

Space Engineers 17,532 1,365,509

Totally Accurate Battle Simulator

Totally Accurate Battle Simulator 97,789 6,642,422

Insurgency: Sandstorm

Insurgency: Sandstorm 78 461,938

Contractors VR 29 21,558

Foundation 159 1,579,252

Descenders 73 548,651

Playcraft 3,406 908,788

Aground 122 71,539

0 A.D. 26 198,727

SWORDS of GARGANTUA

SWORDS of GARGANTUA 32 1,543

Dashpanel 427 24,394

OpenXcom 141 105,739

Tabletop Playground

Tabletop Playground 228 23,353

Meeple Station 31 46,527

Mount & Blade II: Bannerlord

Mount & Blade II: Bannerlord 9 2,325

Hypnospace Outlaw

Hypnospace Outlaw 20 9,922

Doodle Derby 39 472

The Snowboard Game

The Snowboard Game 5 288

Nuclear War Simulator

Nuclear War Simulator 5 26

Hard Times 8 384

Ghost And Sword

Ghost And Sword 3 145

Mondrian - Plastic Reality

Mondrian - Plastic Reality 10 281

Avis Rapida 2 28

Sinespace 72 2,181

Songs of the Eons

Songs of the Eons 2 17

Bridge! 3 20 236

SCP: Recontainment

SCP: Recontainment 7 31

Tyler Presents: Mischief Night

Tyler Presents: Mischief Night 1 25

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

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 5 165

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 2 41

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

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 27

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 51

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

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