Formerly the Doom 3 engine, originally based on Id Tech 3. It has a C++ based engine framework, and a new rendering engine, AI framework, physics engine, gameplay trigger system, and sound framework.
Titles based on this engine:
The source code for this engine is expected to be released under GPL in 2009, pending release of Rage.
The following 2 pages are in this category, out of 2 total.