What I would like to added into Zeus would be a way for us to save our progress. Lately me and some of my friends have been making like a Zeus Campaign and these campaigns that we make are pretty long - it some cases takes 3 days to finish it fully.
As of now I would have to remember how the last part ended so then I can add the same units (well try to) and make it looks exactly the same as it left off.
I think it would be really helpful that before we would end the mission we would be able to save our current progress so we can just load it when we start the next part.