Open source library for creative expression on the web, desktop, etc.
Gideros Release version
INSTEAD - Simple Text Adventure Interpreter.
Game engine supporting many 3D/2D formats and graphic effects
2D Game Engine
Source code of the chapters of the book 3D Game Development with LWJGL
Portable game engine with main focus on point-and-click adventures
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Asphyre is a cross-platform framework for Delphi and FreePascal.
Multi-threaded game engine for Android
IRB is a game creation toolkit
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
XNA based game engine completely written in c#
MultiLingual Interactive Fiction
Hungry Hero is an open source Flash game built on Starling Framework.
NinYawg Adventure