Indigo Underground

“That cave sure was OK, but now I could really use some sun.”

—Huey, Paper Mario: Color Splash

Indigo Underground is a location from Paper Mario: Color Splash. The path leading here is unlocked after getting the blue Mini Paint Star from either Port Prisma or Ruddy Road, and unlocks paths leading to Daffodil Peak and Bloo Bay Beach. Every member of the Green Rescue Squad can be found here, as well as the Lemon Thing.

Layout

At the cave's entrance, Mario can enter a Warp Pipe. This ejects him and reveals a Toad, the leader of the green Rescue Squad, stuck in the pipe. He tells Mario to get him out, and Mario must use Cutout to insert the Plunger Thing into a rock above the pipe. The Toad then explains that the members of the Rescue Squad got separated and are stuck underground. Mario can enter the pipe again, and a Shy Guy jumps out and battles him. The Rescue Squad leader goes down into the cave, and Mario must follow him.

Shortly after going underground, Mario will see two Shy Guys throwing a crumpled piece of paper. He must defeat the Shy Guys and hammer the paper to reveal the first Rescue Squad member. The second Rescue Squad member is found hiding from a Swoop after two moving blocks. Mario must paint in part of the next moving block and go up. For the next moving block section, Mario must wait until one has risen and walk through a hole to go further down. From there, he can use three more moving blocks to enter a new area.

This area has many Buzzy Beetles Mario can battle. The green Rescue Squad leader and his cadets are also located here. Mario can continue right, past some waterfalls, to reach a Save Block and Toad #3 of the green Rescue Squad, who is Bowser Taped to a moving block. Mario can go south to find the fourth Toad, who is running in a circle with Shy Guys. By hammering or jumping on a piece of wood at the right time, Mario can launch the Toad to him, and is attacked by the Shy Guys.

Continuing south, Mario enters an area with more waterfalls. Toad #5 can be found by using Cutout on one of the waterfalls. Following a large slope downwards, Mario must use another moving block to reach Shunned Guy, who has sucked the color out of a Rescue Squad Toad. After defeating him with a Fire Flower, Mario can repaint Toad #6 of the green Rescue Squad, who gives Mario a 1-Up Mushroom Card. With all the Toads rescued, Mario must return to the leader near the bridge.

The Toads stack up and form a bridge. Two Shy Guys and a Spike Guy jump on it and attack Mario. Once they are defeated, Mario must pull the bridge back up and can paint in a wooden board to reach the yellow Mini Paint Star. Alternatively, he can break a Brick Block with a Lemon on top of it, causing the Lemon to roll near two Slurp Guys. To squeeze the Lemon, Mario must defeat them. He can then walk behind a wall to collect a blue Mini Paint Star.

Enemies

• Shy Guys
  • Shunned Guys
  • Soggy Guys
  • Spike Guys
• Swoops
• Buzzy Beetles

Colorless spots

Indigo Underground
In the first area, south of the fence.
In the first area, on the sloped ground.
In the first area, on the sloped ground.
In the second area, on a square-shaped part of the wall.
In the second area, before the first moving block.
In the second area, below the first ? Block.
In the second area, on the ground near three Swoops.
In the second area, on the wall near three Swoops.
In the second area, on the third moving block.
In the second area, on the ground after the third moving block.
In the second area, on the wall in a hidden alcove that can be accessed by walking behind the fourth moving block.
In the second area, on a diamond-shaped spot on the wall.
In the second area, on the ground.
In the second area, on the wall and only accessible from the top of green moving block.
In the second area, in a secret alcove to the right.
In the third area, on the ground to the far west.
In the third area, on the wall.
In the third area, on the ground south of the first moving block.
In the third area, on the ground below a ? Block.
In the third area, on the wall.
In the third area, on the bridge.
In the third area, on the ground after the bridge.
In the third area, on the wall.
In the third area, on the wall near the Save Block.
In the fourth area, on the ground.
In the fourth area, on the ground.
In the fourth area, on the sloped ground.
In the fourth area, on the sloped ground.
In the fourth area, on the ground under a ? Block.
In the fourth area, on the wall.
In the fourth area, on a moving block.
In the fourth area, above a ? Block. This spot can be reached by going down a hole when the moving block has gone up.
In the fourth area, on the ground.
In the fourth area, on the wall.
In the fourth area, on a green Rescue Squad Toad.
In the third area, on a wooden board.
In the third area, on the wall after the Brick Block.
In the third area, on the platform with the Lemon Thing.
In the third area, on the wall near the blue Mini Paint Star.

Cutouts

Level	Location	Reward	Hint	Image
Indigo Underground	In the first area, on a rock above the pipe. The Plunger Thing must be inserted.	Required for completion	None
	In the fourth area, behind a waterfall. Cutting this out reveals a green Rescue Squad cadet.	Required for completion	None
	In the third area, above the entrance to the yellow Mini Paint Star.	Eekhammer, Hopslipper	In Indigo Underground, above the entrance to the Mini Paint Star...

Record

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Gallery

• 

  World Map Icon

• 

  Indigo Underground concept art.

• 

  The Toad captain is stuck in a pipe.

• 

  The Plunger unclogs the pipe.

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  The first green Rescue Squad Toad.

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  The second green Rescue Squad Toad.

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  The third green Rescue Squad Toad.

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  The fourth green Rescue Squad Toad.

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  The fifth green Rescue Squad Toad.

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  Mario encounters Shunned Guy.

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  The sixth green Rescue Squad Toad.

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  The Lemon rolls down the slope.

Names in other languages

Language	Name	Meaning	Notes
Dutch	Indigogrotten[?]	Indigo Caves
French (NOA)	Souterrains Indigo[?]	Indigo Underground
Portuguese	Cavernas Índigo[?]	Indigo Caverns
Russian	Сапфировые пещеры[?] Sapfirovyye peshchery	Sapphire Caves
Spanish	Cavernas Índigo[?]	Indigo Caverns