🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

Java / JavaFX / Kotlin Game Library (Engine)

3D C++ Game Engine - yet another open source game engine

Go 3D Game Engine (http://g3n.rocks)

A game engine powered by python and panda3d.

An open source C++ game engine.

Cross-platform (desktop, mobile, console, web) 3D and 2D game engine. Powerful visual editor. Support for glTF, X3D, IFC and more. Fast clean code using modern Pascal. Free and open-source.

A new, render-graph based 3D game engine for Linux and Windows using C++20 and Vulkan API 1.3 (in early development)

A New Cross-Platform 2D 3D Game Engine

WebGL in WebAssembly with AssemblyScript

Game engine behind Sea Dogs, Pirates of the Caribbean and Age of Pirates games.

Realtime 3D Game-Engine with a focus on space sim. Written in C++ 14

A C99 3D game engine

A 3D engine for the Web

Modern OpenGL renderer written in C++17

:sunglasses: A curated list of 3D graphics libraries and resources

Open World 3D Game Engine for the PicoSystem & RP2040 Microcontroller

3D Renderer Engine builds with Vulkan and C++ 20

The Dæmon game engine. 20 years of development above id Tech 3. Historically based on id Tech 3 through ioq3, Wolf:ET and XreaL a very long time ago.

2 Kilobyte 3D racing game in JavaScript

High-performance Vulkan driver with automated resource management and execution

A basic cross-platform 3D game engine

G3N Game Engine Demo

Game engine playground.

Java 3D Physics Engine & Library

[abandoned] C99 cross-platform 3D game engine with absolute minimum of external dependencies

An open source, cross-platform game engine designed for indie developers.

Documentation of GDevelop - the fast, open-source, no-code game engine.

Old repository with C# Editor and C# API for creating games in Flax Engine

The Nim GUI/2D framework, based on OpenGL and SDL2.