Part 21

The hotel grounds are covered in electric goop that hurts you on contact.

Talk to the hotel manager (Pianta in red) to learn a manta ray silhouette caused the goop.

Prepare to fight the Manta Storm boss.

To attack the Manta Storm, spray it with FLUDD. It will split into two, then three, then two again, then four tiny ones.

Each tiny ray takes one spray to defeat permanently.

Warning: Touching any ray or goop hurts you. Stay under a hut or retreat to the beach.

Coins can be found in huts or by spraying gooped beach for health.

Use hovering or spinning sprays to attack the rays effectively.

When only tiny rays remain, they turn purple and attack. Use spinning sprays until only a few are left, then hunt them individually.

Defeating the last ray removes the goop (except from some Noki's heads) and a shine appears over a fountain.

Episode 2: The Hotel Lobby's Secret: Talk to the hotel owner to enter the hotel, which is infested with Boos.

White Boos can be pushed by spraying and defeated by jumping or diving on them.

Red Boos are stunned by spraying and turn into platforms.

Spray all red Boos around the totem pole and climb to the top to find a giant Boo statue. Jump into its mouth to warp to a bonus stage.

You can break brick blocks by jumping from beneath them, watermelon blocks by ground pounding, and melt ice blocks by spraying them (though FLUDD is not available in this bonus stage).

In the bonus stage, jump onto enemies to cross gaps or use spin jumps, triple jumps, or backflips and dives.

Wall jump to the top after breaking brick blocks.

Navigate a maze of sand blocks. The fork leads to a maze of orange, brick, watermelon, and ice blocks; the other path only yields 4 coins.

Ground pound the lowest watermelon block for a 1-Up.

Ground pound the watermelon block second-closest to the sand blocks to reach a gear platform.

Walk against the gear's spin direction to reach the sand block sculpture and jump onto it.

Use backflips to cross to the other side, avoiding the center hole, to find an enemy and a shine.

Episode 3: Mysterious Hotel Delfino: Talk to the hotel owner to enter the hotel.

A Yoshi egg is by the fruit counter and needs a pineapple. The fruit shop does not sell pineapples.

The stairs to the third floor are open. A shine is in the pool, but you need proper swimwear to enter.

Go to the third floor and enter the unlocked room.

Go to the lobby and enter the men's room through the doorway with a brown Pianta.

Jump onto the toilet in the last stall. Notice the ceiling is leaking water from the pool above.

Jump to the pool in the room above. Look for a painting in the room shaped like a Boo.

Spray the painting until it looks like a Boo, then jump through it to the next room.

In this room, beat all Boos, including one disguised as a coin.

Spray the four strange closets next to each other until they form a picture of a Boo on the side facing you (left arm, left body, right body, right arm).

The closets unfold to reveal the next room.

This room has two red Boos. Spray both, then backflip onto one.