Much of the information is free, with paid membership available to studios or individuals, which allows access to detailed content and downloads of hi-res images.
The engine also includes a number of graphical enhancements, the most conspicuous of which is the option to play in hi-res 640x480 graphics.
It was a practical joke program purporting to be a chess game in high-resolution (hi-res) graphics, but which actually contained no chess or graphics.
This meant arbitrary bitmaps, as might be used in a hi-res game, had to drawn pixel-by-pixel.
