Free Online Game Development Tools

Godot Engine is a feature-packed, cross-platform game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel.

GDevelop is an open-source game making software designed to be used by everyone. Any kind of 2D games can be created with it and no programming skills are required to get started. Logic of games are made using visual events.

The Wick Editor is a free and open-source tool for creating games, animations, and everything in-between. It's designed to be the most accessible tool for creating multimedia projects on the web. Your creations can run on any device with a web browser - that means mobile too.

microStudio is a free game engine online. Create games, learn programming, play, share, prototype and jam!.

Online platform for 3D world building, avatar customization, multiplayer play, and user-generated game development with trading, achievements, and a virtual economy.

TIC-80 is a fantasy computer where you can make, play and share tiny games. Comes with built-in tools for development: code, sprites, maps, sound editors and a command line.

OpenGameArt.Org is an online asset repository of freely licensed graphics, models, sounds, & music for use in free & commercial games & other media.

One framework for creating powerful cross-platform games. The spiritual successor to XNA with 1000's of titles shipped across desktop, mobile, and console platforms. MonoGame is a fully managed .NET open source game framework without any black boxes.

Tuesday is a free open source engine for creating visual novels, interactive stories and text-based adventure games. Written in JavaScript without using any third party libraries. There is support for the Apache Cordova framework for building native mobile and desktop...

Azgaar's Fantasy Map Generator (FMG) is a free online tool which produces procedurally generated and highly customizable fantasy maps. You can just use auto-generated maps or create your own world from scratch.

PlayCanvas is the world’s easiest to use WebGL Game Engine. It’s free, it’s open source and it’s backed by amazing developer tools.

Whimtale is a small game engine and a fantasy console for making interactive stories where you can navigate the worlds you create and talk with stuff!.

HARFANG®3D is a cross-platform & multi-language solution to integrate with embedded systems, existing environments & combining features to meet the industrial standards of 3D imaging.

The quadplay fantasy console bundles an emulator and advanced development tools including an adept IDE and tools for use with other IDEs like VS Code, Vim and Emacs.

Bitsy is a little editor for little games or worlds. The goal is to make it easy to make games where you can walk around and talk to people and be somewhere.

Microsoft MakeCode brings computer science to life for all students with fun projects, immediate results, and both block and text editors for learners at different levels. It's a free, open source platform for creating engaging computer science learning experiences that...

Moddio is a Multiplayer-First Game Engine. It has a built-in server-authoritative netcode, including snapshot interpolation and client-side reconciliation. It can support 50+ concurrent players or 300+ moving entities hosted on a $5/month VM.

Multimedia JavaScript framework to create real cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps.

Free online tilemap editor for 2D games. Create, edit, and export game maps directly in your browser with JavaScript and Godot support.

🎮 Got a game idea? Just describe it and start playing in seconds at playmix.ai or check out the games people have already created

Arrow is the free, open-source and feature-rich tool for game narrative design, text-adventure development, and creation of interactive nonlinear storytelling documents.

Core is an endless universe of games and worlds designed by a global community of creators. It's a radically accessible game construction kit, content exchange, and game-playing platform, all in one.

Unseen64 is an archive with info, screens and videos about beta and cancelled videogames, that were changed in the development or never released.

8bitworkshop is a browser-based IDE for Atari 2600 development built on Javatari and DASM and CodeMirror .

Nakama is an open-source distributed social and realtime server for games and apps. It has a large set of services for users, storage, and realtime communication; as well as specialized APIs like realtime multiplayer, groups/guilds, and chat.