Traktor is a game engine complete with runtime, pipeline, editor and tooling workflows. It’s written in C++, and utilitize LUA as primary runtime scripting language.
Traktor is written in a highly modular fashion thus it’s parts are easily extended, modified or replaced.
Fully customizable rendering system exclusively using visual graphs for all shader processes (ie no handwritten shaders used in default shaders) thus make cross platform shader generation a no-brainer.
OpenGL ES 2
Traktor has been used in the following titles:
Released 2012 on Steam (Windows, Linux and OSX)
Released 2012 on iOS Appstore
Released 2009 on Steam (Windows), PSN and Mac Appstore