RTG Plus

Starting a new world with the RTG world type generates terrain with more variety than the default layout. Forests differ in tree composition, height and density from place to place, and the generator produces large navigable rivers and lakes, tall mountains, rolling hills and wide plains. Some areas bring their own features: deeper lakes, shallower rivers, more irregular mesas, and bigger, more prominent savanna landmarks.

Trees are a large part of the mod. Several versions of the common tree types are added, covering oak, spruce, birch, acacia and dark oak, and they come in many sizes. Larger trees are grown with a fractal method so no two are alike. Saplings placed next to each other in groups grow RTG trees, and some patterns of four saplings grow the special vanilla trees, such as jungle, spruce and dark oak. Willow trees generate less often and keep decaying leaves, and the Roofed Forest trees are smaller to prevent generation hangs.

RTG Plus is a Forge mod for the 1.12 – 1.12.2 range, released under the GNU Lesser General Public License v3.0 or later, so it is open source. It is server-side only: players join without installing anything. Biomes from Biomes O' Plenty and Thaumcraft are supported, with a few Biomes O' Plenty biomes still missing. Geographicraft is recommended alongside it for more landscape variety.