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++.
Build Cross-platform Applications
A fantasy RPG.
3D graphics engine. Little progress; project cancelled.
The Atomic Game Engine is a multi-platform 2D and 3D engine
Stealth/action shoot-em up game
Extensive Java chess database libraries.