The Dark Engine is the computer game engine used for the Looking Glass Studios games Thief: The Dark Project (1998), Thief II: The Metal Age (2000), and...
The Diesel Engine is DirectX based, and thus can be used for both PC and Xbox games. It is object based and scalable enabling new features to be added...
Dimension 3 or "dim3" is a free, open-source game engine designed for fast, simple game development. Dim3 is in constant development by Brian Barnes of...
The Doom engine is the game engine that powers the id Software games Doom and Doom II, as well as Raven Software's titles Heretic and Hexen, then finally...
The Drag[en]gine is a fully customizable game engine designed with modularity and extensibility in mind not requiring expensive licenses.
Dunia, which means "world" or "earth" in Arabic, Farsi, Hindi, Urdu, Swahili and Malay languages, is a heavily modified version of Ubisoft's YETI engine.