Yo ! I see a lot of people are excited for this game, and sorry to dissapoint : it's just a small game Impy made to test the Godot engine (cause she's leaving Unity, seeing the shitstorm there was around it), and there's no plan to develop it a lot. Itm ight have another update or two (and I'm not even sure of it), but it won't go really far (unless a lot of people ask for it I guess, but I do'nt think it'll change her plans a lot though).
But it's a fun little game anyway, enjoy while we all wait for the next big game to start !