Download, rename 'overgen'
https://github.com/paramat/overgen/archive/master.zipBrowse code
https://github.com/paramat/overgenovergen 0.1.2 by paramat
For latest stable Minetest back to 0.4.8
Depends default
Licenses: code WTFPL
Fly then teleport to y = 7000, fly up or down to find the surface.
Generation time per chunk 0.5 - 1 second.
A simplified mapgen similar to 'stability' and 'noise23' for my experiments in vertical overgeneration, it is also a tutorial on perlinmap overgeneration, and a simple mapgen framework to use as a starting point for your own mapgens.