Nordaj's Stars
asbott/Apparatus
Modular cross-platform game engine
skypjack/entt
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
UglySwedishFish/Rak
Real-time hybrid engine written in C++
nem0/LumixEngine
3D C++ Game Engine - yet another open source game engine
HeliumProject/Engine
C++ Game Engine (Under Construction!)
gameplay3d/gameplay
Open-source, cross-platform, C++ game engine for creating 2D/3D games.
aws/lumberyard
Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full source.
TheCherno/Hazel
Hazel Engine
stride3d/stride
Stride Game Engine (formerly Xenko)
JulianThijssen/Flux
A real-time physically based rendering engine written in C++ and OpenGL
turanszkij/WickedEngine
3D engine with modern graphics
mellinoe/ge
A general-purpose 3D game engine with editor, built with .NET Core
FluffStudios/FluffEngine
Public releases of the Fluff Engine
Unity-Technologies/UnityCsReference
Unity C# reference source code.
BentouDev/YAGE
Simple game engine, written in C++
Valtis/Engine
Simple 2d game engine
mtesseracttech/MicroGameEngineCMake
CMake based Micro Game Engine for multiplatform support
OGRECave/ogre
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
MattRix/UnityDecompiled
Now unnecessary, use the official code instead: https://github.com/Unity-Technologies/UnityCsReference
TheCherno/Sparky
Cross-Platform High Performance 2D/3D game engine for people like me who like to write code.
Jeflux/ckLua
(Unofficial) Lua scripting for Corsair's RGB keyboards
godotengine/godot
Godot Engine – Multi-platform 2D and 3D game engine
AtomicGameEngine/AtomicGameEngine
The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript