I have this vague memory of being a child and playing this demo disc on the computer. I don’t have much to go off of, but something might ring a bell to one of you.
In the menu to pick your desired demo or game or whatnot, there was a Vitruvian Man in the middle, and the games encircled him. A bolt of lightning would strike out from him to highlight whatever game you hovered your mouse over. That’s all I remember. This is probably from the late 90s. My best guess.
PS: Since my memory is so fuzzy about this, it makes me wonder if it wasn’t some weird dream I may have had. Who knows if it was real, but it’s been on my mind lately.