Fast and lightweight JavaScript game engine built on WebGL and glTF
The flexible game engine
A development environment focused on modding
Desktop/Android/HTML5/iOS Java game development framework
Open game and rendering engine packed into a JavaScript framework
Magic Another Game Engine
Injectable LUA scripting system, SDK generator, live property editor
One framework for creating powerful cross-platform games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
An iOS & tvOS Frontend for Multiple Emulators
The source code to VVVVVV
Ct.js is a desktop game engine that makes learning programming fun
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-Platform C++ 2D/3D game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Free and open source real-time strategy game
Java/JavaFX/Kotlin Game Library (Engine)
3D Procedural Game Engine Using OpenGL
Powerful, mature open-source cross-platform game engine for Python
A cross-platform, open-source, pure C game engine for mobile game
LayaAir is an open-source 2D/3D engine
A fresh & lightweight javascript game engine
Flexible level editor
Doom-based AI research platform for reinforcement learning
3D game engine/framework in C, with Luajit and Python bindings now