subterrain 0.2.0 by paramat For Minetest 0.4.12 and later Depends default Licenses: code WTFPL A fast, very simple mod to develop and replace the big caves of the now removed 'indev' mapgen. By default massive caverns start to appear below y = -256. Realm limits, blend distance and cave size / underground volume ratio are parameters for you to adjust. By default caves are roughly 1/3rd of underground volume, and can be separated by up to roughly 800 nodes.