This article is about the kingdom itself. For the first Ratboy Genius series, see Ratboy's Kingdom (series).

Ratboy's Kingdom
Ratboy Genius' castle from Ratboy's Kingdom - Chapter 7
Vital statistics
Type Kingdom
Series Ratboy's Kingdom
Location Unknown
Inhabitants Ratboy Genius, Prarie Dogs, Summer Solstice Baby, Lake Nius Monster, Mister Bigarms, Miss Big Feet, Very Tall Friend, Bat Friend, Yoga Friend, Leaping Friend, Big Cousin Fred, Friend with the Green Flippers
Ratboy's Kingdom is a magical place partially shaped by the imagination of its owner, Ratboy Genius.