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Donut Plains is the second world in Super Mario World, containing 10 levels, 3 of which are secrets. The world can be accessed through Yoshi's Island, Vamilla Dome, and Star Road.

Donut Plains contains the following levels:

• Donut Plains 1
• Donut Secret 1
• Donut Secret House
• Donut Plains 2
• Green Switch Palace
• Donut Ghost House
• Top Secret Area
• Donut Plains 3
• Donut Plains 4
• Morton's Castle