A multi core friendly rigid body physics and collision detection lib
Cross-Platform C++ 2D/3D game engine
A Flutter based game engine
2D JavaScript Physics Engine
Cross-platform 2D and 3D game engine with modular architecture
You can make it - Open Source MMORPG Platform
IsoCity: City building simulation game
A 2D rigid body physics engine for the web
A real-time 3D Engine written in Ada
Game engine supporting many 3D/2D formats and graphic effects
Real-time collision detection and multi-physics simulation for VR
OpenGL port of the classic 6dof 3D shooter Descent
Example code for creating a 2D platform game in Java.
Dizzy Omega - sequel of Dizzy Y game
Multiplayer game server based on Node.JS
A public domain cross platform 3D game
Reenactment of the classic Atari 2600 game
.NET - VISUAL BASIC NVIDIA +ATI PHYSX SLIMDX DIRECTX 9 -ENGINE/WRAPPER
a very lightweight advanced terrain-rendering and 3D map rendering sys
Mahasona engine is an open source game engine.
A generic 2D engine for any kind of game