Donut Secret 1

Donut Secret 1 is the first underwater level of the game Super Mario World. This level is a secret level, the Mario Bros. must find the key and the Keyhole of Donut Plains 1 to go to this level. Donut Secret 1 also has a secret exit. The regular exist leads to the Donut Ghost House, while the secret exit leads to the Donut Secret House.

Enemies included: Rip Van Fish, Cheep Cheep, Blurp