Something that isn't significantly touched on here that most RTSes neglect is physical logistics. That is, actually getting resources from the point of collection to the point of consumption. In most RTSes, once you collect resources they essentially go into a magic resource counter in the cloud. You can collect wood on one side of the map, and instantly create a building with that on the other side of the map. I wou…
(Just noticed Factorio is mentioned below; Mindustry is similar, but also Open Source cross platform Java)