Pixi’VN is a versatile and powerful visual novel/2D game engine. It is based on JavaScript/TypeScript and uses the PixiJS library for rendering.

Modoki is a TypeScript game engine and Unity-style visual editor for 2D, 2.5D and 3D mobile games. What makes it different is that it's built for AI agents. Through an MCP server, an agent like Claude Code can do almost everything a human can in the editor. It can read the live game world, edit scenes and prefabs, press Play, run builds, and check its own work with live data and rendered frames.

A free game engine written in TypeScript for making 2D games in HTML5 canvas, whether you're new to game development or you're an experienced game developer.

Fast and lightweight 2D JavaScript library that allows everyone to enjoy the power of hardware acceleration without prior knowledge of WebGL

2D/3D content creation tool integrating a flexible and visual editor system

A fast, fun, free and open-source framework for Canvas and WebGL powered browser games

A 2D game editor that makes its bet on good documentation, visual tools and smooth workflow

An engine to build highly optimized web-based 3D and XR apps that run on any device

Narrat is a beginner-friendly game engine for making narrative games with RPG features, visual novels, interactive fiction, and more

A versatile game engine designed for creating 3D games and experiences. It includes landscape sculpting, a physics engine, customizable shaders, and procedural foliage generation.

A procedural, node-based design & animation tool, for the web

Free and opensource 2D+3D game making for indies

A Unity3D-like environment to create WebXR enabled apps and games for the browser with three.js

An HTML5 game engine and server-side APIs for building and distributing 2D and 3D games that run on platforms that support HTML5