Civ has a lot of old fans since civ 1 or 2 that just buy and play any new civ game that comes out. I had: Civ 1 Civ 2 + Addons Call to Power (which was no official civ) Sid Meier’s Alpha Centauri Civ 4 + Addons Freeciv Civ 5 + Addons Civ: Beyond Earth Civ 6 + Addons Unciv