Green Forest

Green Forest or World 4-A is the first and only secret course of Goldwood Forest in Mario and the Jambastions. It is a green-colored, acid water-filled forest with dangerous green acid water. It can be accessible via completing Orange Forest's secret exit, and its completion unlocks a shortcut to Wiggler Woods.

Layout
The course consists of dangerous green acid water and Acid Bubbles that jump out of the liquid below.

Trivia

 * This course serves as the green-colored area of Goldwood Forest.