Adds the ability to dig the underground, move item and fluids between surfaces and blow away pollution.
Mods introducing new content into the game.
Map generation and terrain modification.
New Ores and resources as well as machines.
Does this create a surface for each planet? Respects boundaries of planet size or orbit?
It only creates a subsurface if you want it to do so (building a surface driller). It basically works for SE, but I didn't implement limits yet. I set it on my ToDo.