Galactic Civilizations 4 is a space 4X strategy sandbox sequel coming in 2022, with an alpha version scheduled for later this month, developer Stardock has announced.
The title will elaborate on Galactic Civilizations 3's interstellar empire building in significant ways. Here's a list of quotes...
I want to say it's one to one, but in all honesty I'm a bit fuzzy there. I can recommend JoyFreak's sister site AdminIntel - Admin & Webmaster Resource where there are lots for people of varying degrees of expertise with development, you likely can get a far more precise answer there!