The intention was, as you suggest, more conventional battle fields though it shouldn’t be impossible.
Though we do include rules for “air assault infantry’ which are intended for things like “Nam or Afghanistan.
Many of the Assets available could work well too, particularly Commandos, Partisans and so on.
Engagement ranges are relatively short on the tabletop, so you’ll have to evaluate how that translates in very dense terrain, but it shouldn’t be unsolvable.
Does that help at all?
Nordic Weasel Games