I started out on a Commodore 64. I remember when I encountered my first 3d accelerated game, I think it was Microsoft Motocross Madness, at a friend’s house, IIRC he had a 400mhz pentium with a Matrox card, I want to say G400, but who knows, it was so long ago… Anyway 3D games were common, but not with accelerated graphics… It was mind-blowing.