Tubular 8-Ball Station

Tubular 8-Ball Station is a test in paid downloadable content, the Octo Expansion. This station is unlocked after clearing either Ink 'n' Slide Station or Brute Rollup Station.

Access
The player must clear either Ink 'n' Slide Station or  Brute Rollup Station to access this test. The shortest way to access this station is to clear Ink 'n' Slide Station.

Checkpoint 1
In the first section, the 8-Ball must fall onto a rail, and rails and 8-Ball launchers will get the ball to a Sanitized Shielded Twintacle Octotrooper. After this, a launchpad will appear.

Checkpoint 2
The second area involves a large number of cushions. The 8-Ball must be pushed to the end without it being pushed off by a few Octarians.

Checkpoint 3
The third area has two thin platforms with 8-Ball bumpers at the end. These should be hit straight on so that the ball does not fly off of the stage. This area will end by sending the 8-Ball down some 8-Ball rails, where it will hit an Inkrail generator.

Final Checkpoint
In area 4 has the 8-Ball must fall into an 8-Ball launcher. Then a Balloon Fish must be used to send it flying to the goal platform. If successful, a launchpad will appear, and the 8-Ball can be pushed onto the goal.

Mem Cake
"So principled you might explode, But when you burst, who's really cursed? Your loved ones have to bear that load."

- Octopod mem cake

Completing this test awards the player with the Octopod mem cake.

Quotes
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S2 Icon C.Q. Cumber 2.png C.Q. Cumbergreen
"Let me assure you that the movement of the 8-ball follows the law of nature."

"I must also inform you that you won't be able to ride on the 8-ball rails yourself."

"Please try to aim for the center of the 8-ball when shooting it."

"You let an 8-ball fall—test failed."

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S2 Icon Cap'n Cuttlefish.png Cap'n Cuttlefishgreen
"You're getting good at this!"

"Enemy ahead! Use the ball for cover and advance your position!"

"Goal spotted up ahead to the right!"

"Launchpad alert! Jump for it, Agent 8!"

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S2 Icon Marina 2.png Marinagreen
"It looks like the 8-ball can be moved around using those special rails..."

"That cushion is absorbing some of the speed from the 8-ball."

"Try to hit that bumper straight on, OK?"

"Oh! There's a ball bumper up ahead too!"

"Roll, roll, roll your ball!"

"Duck into the ink and keep moving!"

"Try to get it into the ball launcher back there!"

"I'm thinking you can use the Balloon Fish to your advantage here..."

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S2 Icon Pearl 2.png Pearlgreen
"Hey—a ball!"

"Aw, yeah!"

"Sweet moves!"

"Inkrail! Right on! Ride on!"

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Trivia

 * "Tubular" is an eighties slang word meaning "cool" and the subtitle is one of the possible results on a Magic 8-Ball.
 * Tubular 8-Ball Station was revealed before the Octo Expansion was released.
 * The Japanese name of this station is a pun on "Honkaku chūka" (authentic Chinese dishes).
 * This station has "Ito niching" handicraft kits floating around in the background, which are Japanese handicraft knotting kits.
 * The spools of threads are squid-shaped instead of having their regular shape.
 * The Dutch name of this station alludes to the spools of threads.