Geometry Terrain was created as a replacement for traditional Terrain Systems for Games. Height displaced big terrains just simply lack the detail that players expect. Geometry Terrain can fully replace these terrain systems for smaller worlds or add more detail quickly with cliffs and rocks without the need to manually create many assets that will be reused many times.
It works by projecting a height map and displacing the mesh correctly without any visible seams. The results are very natural rock formations that can be achieved with minimal effort in minutes.
While the default settings and textures are better suited for smaller environments, Geometry Terrain can be tweaked to support large environments with big rock formations or individual assets like rocks, cliffs, walls and other structures.
Please check out the documentation for more information.