Factorio may not compare in this sense but do you think Eco is that unique on there, Ark:Survival Evolved and Empyrion spring to mind
I don't know Empyrion and have never played Ark in singleplayer (nor do I know if that is even possible - if it's not, they also don't need Cloud Save; they also may have more options than the default given their size compared to ours) but I host a server for the latter which world saves are nowhere near a full Eco world in size, which is likely due to indeed very little games (I know none other) keeping as much statistical world data as we do for the purposes of our economy and government systems and the fact that our singleplayer is simply a dedicated server started locally with the effect of worlds being centrally saved in the server folder, not an application folder; automatic backups being created and configs being global, not per world. (We do investigate support for per-world configs optionally in the future, though)
In any case it doesn't really matter what I think personally, the current state after developer investigation is that it is not possible with how Eco cu...
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