UCI chess engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
3D modeler, 3D game maker, 3D demo maker
A promising chess program
Examples of procedural geometry for Unity3D C#
Orx: Portable Game Engine
2D Game Engine
Children's learning programming language Karel the Robot in 3D
Open-DIS implements the IEEE DIS protocol in multiple languages.
online 4X browser game engine
3D .NET engine for Windows, Linux, Mac
KCG is the (N)PC generation tool for the Kontinuum RPG system.
The Snake Game written in JavaScript and CSS3!
Science Fiction, heavy assault, disestablishment of power.
Mega-Human Battles source code
An e-stim signal generator in java
MultiLingual Interactive Fiction
PC-98 emulator for Android phones
Gameboy Advance emulator for Android phones
Board game Mondrago for Android platform.
Source code for the Krabat adventure
Learning to Code 2 Gether!
Complete ROV Control Suite
cross-platform 2d game engine