Climbing to the top of the tallest mountain of a world gives the "Mountaineer" achievement. As the altitude increases, the temperature decreases and becomes colder, making snow more likely to occur than rain.
The presence of a mountain on the surface may indicate a rise in the level of magma or the frequency of various ores beneath it. Lapis lazuli has been found to be more likely to be found in mountains.
- Various trees and other plants
- Various creatures