Donut Plains is the second world of Super Mario World which is the western portion of Dinosaur Land. This is the first world to have multiple exits, the first world to have a Ghost House and the first world to be named after the foods or drinks. Morton Koopa takes over this world and his defeat leads to the northwestern portion of Dinosaur Land the third world, Vanilla Dome.
Levels
Donut Plains 2
Donut Ghost House
Donut Secret 1
Donut Secret House
Donut Secret 2
Donut Plains 4
Morton's Castle
Green Switch Palace