Android OpenGL Game Engine
Opensource Game Studio
Clojure in Unity
Source code of the chapters of the book 3D Game Development with LWJGL
Character animation system for games and simulations.
Y.A.G.A.C is a free open-source platformer game
InfiFly a ML based 3D game.
CSG for jMonkey
Legandary Story of the Zarakite
Blueshift is a cross-platform 3D game engine implemented in C++
A step-by-step guide to implementing SSAO for 3D games
Portable game engine with main focus on point-and-click adventures
Web powered cross-platform 3D, WebXR game engine
The world's first evidence-oriented programming language
SJCE - free portable cross-platform graphical chess game, 100% Java.
3D-Accelerated open-source DOOM engine
486 lines of C++: old-school FPS in a weekend
Extensible HTML5 app for real-time collaborative projects
Dizzy Omega - sequel of Dizzy Y game
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.