On the other hand I'm now curious enough to read the additional background. As usual, I've gone on at great length. I hope I haven't sounded too effusive about Riven . I certainly recommend it, as I've recommended a few other games in the past. And to point out issues that other game companies might want to think about.
Terrific art is the easy part.
Strong in every aspect. You can get it literally anywhere software is sold, and they'll try to sell you the hint book and the poster and the mouse pad too. PPC only, System 7.5 or later. 9 megs free RAM, which means that if you have only 16 megs total RAM you may be in trouble. I experienced one total freeze-up.