OpenCiv1 – open-source rewrite of Civ1

https://github.com/rajko-horvat/OpenCiv1

GitHub - rajko-horvat/OpenCiv1: Open source rewrite of the original Civilization 1 Game designed by Sid Meier and Bruce Shelley in year 1991

Open source rewrite of the original Civilization 1 Game designed by Sid Meier and Bruce Shelley in year 1991 - rajko-horvat/OpenCiv1

GitHub
Is there anything similar for Civ IV? So many top tier mods break after a while due to the same memory issues.