MarioWiki:Sandbox

In the Mario franchise and its "cousin" series, such as Yoshi and Donkey Kong, there are many different levels, each with different themes. Each theme appears in different games.

Overworld/grassland theme
This is a grassy world with hills, trees and slopes. This is usually the easiest kind of level theme, as it is normally the first level or world theme encountered in each game. It is common for this level theme to introduce common level features and mechanics, such as jumping, breaking blocks, or new powerups. Common enemies here include Goombas and Koopa Troopas. Bottomless pits are some of the more dangerous features in these levels. This level theme often has secret areas, that lead to sky or underground themed locations. In 3D games, grassland levels For a full list of grassland levels, see Category:Grasslands.

Underground theme
This theme takes place underground, with stone or occasionally icy floors. A common archetype for this level are Piranha Plants that come out of pipes or bottomless pits, so the player should time their jumps to get across. A different kind of underground level includes a mine or sewer, with water or poison to get across. For a full list of underground levels, see Areas Category:Subterranean Areas.