As an RTS, 0 AD reminds me most of a cross between Age of Empires 3 and Age of Mythology. They have almost the same resources and seeming economic focus. I tried the Athenians, which were the first in alphabetical order for the historical factions.
The most obvious difference is that soldiers also have all worker/builder abilities. There are no male "villagers", all are soldiers. There are female villagers who actually speed up male unit work. I like that dynamic.
The game is incomplete and unfinished so far.
I would love an Israel/Hebrew civilization mod for it.
Download and play 0 AD here.