Civ I came out in 1991 as a DOS based game. I bought it that year and have been playing it ever since, through all of it's iterations. Each subsequent version required more RAM and a better graphics card so, over the years, new versions of the game provided a perfectly good excuse for buying a new, bigger, better, and faster computer.
I'm lucky that DH understands my obsession. I showed him this article and the first thing he said was, "We'll have to get you a new computer so you can play it."
It just so happens that my birthday is in Sept., so the timing is perfect. A new computer in Sept. and the new Civ in October. My gamer's cup will runneth over this fall!
Civilization VI is launching in October