DarkMATTER is primarily a collection of 3D media. You can think of it as a 3D "clip-art" CD.
Therefore the system requirements are very basic:

System Requirements
	Multi-media PC with .X compatible 3D application/s
	Windows 95 / 98 / 2000 / ME / XP (Home/Pro)
	330 Meg HD space

	See the Key Features of DarkMATTER 2
	See the Key Features of DarkMATTER
	View a complete list of the DarkMATTER 2 models, animations and vertex data
	View a complete list of the DarkMATTER models, animations and vertex data