CivCity:Rome is on GOG

[Herodotus]

Mybe it's been there a while but I only just noticed it.
This Roman citybuilder came out just before Caesar IV. It has its quirks and I don't think many people understood it fully at the time. But is fun to play and is quite realistic: People are individuals and work in specific places and live in certain homes and have lives of their own after work. Slaves haven't been airbrushed out. £8 or around $10.
Once there was a fansite/forum but this has long gone.

https://www.gog.com/game/civcity_rome