Cocos simplifies game creation and distribution with Cocos Creator
An OpenGL RTS game engine written in C
Xash3D FWGS engine
A game engine with an emphasis on real-time cutting-edge solutions
Cross-platform 2D and 3D game engine with modular architecture
Zig game engine & graphics toolkit
Multi-platform 2D and 3D game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
UZDoom is a feature centric port for all Doom engine games
GZDoom is a feature centric port for all Doom engine games
Cross-Platform C++ 2D/3D game engine
Voxel game engine in C++ with OpenGL
Universal Unreal Engine VR Mod (4.8 - 5.4)
Zero Hour running natively on macOS, iPhone & iPad
This is a re-implementation of the 1995 PSX game wipEout
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
A dead simple 2D game engine for Go
Open game and rendering engine packed into a JavaScript framework
A simple Minecraft written in Rust with the Piston game engine
The Tiny JavaScript Game Engine That Can!
s&box is a modern game engine, built on Valve's Source 2
A Minecraft mod designed to improve frame rates
A modular Common Lisp game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Stride (formerly Xenko), a free and open-source cross-platform C# game