

The path to the secret exit (which leads to World 5-A) starts with a small opening in the ceiling near the end of the first room, before the first door, above the right extent of the second swinging platform.

Two Boos and some poles are found, followed by the Goal Pole. A Warp Door is found at the top of the area, and leads the player outside.

Hidden Blocks can be used to reach a group of swinging platforms. The Warp Door leads to an area with a group of ? Blocks and Brick Blocks, followed by a Big Boo. A group of coins around a Hidden Block containing a 1-Up Mushroom is in the area reached by the last pole. This leads to more swinging platforms, with poles leading to platforms found above. After another Swoop, a group of swinging platforms and a Boo are found. A swinging platforms made of Empty Blocks is found, along with another platform with Hidden Coins above it. A Boo is found, along with a group of Hidden Coins and a Swoop. A Swoop is found, along with stairs that disappear and reappear. The level begins near a group of three ? Blocks, with either a Super Mushroom or a Super Leaf in the middle ? Block.
