When you begin the stage, you are immediately thrown in the water, so as soon as you land, start swimming downward. You should see the entrance to the tunnel in the bottom left corner of the screen, which is where you want to be going. If you need health/breath at all, you will find some coins along the way. It should be noted that you will want to stay away from the center of the first area, since the whirlpool will attempt to suck you into the void. Also, should you need air/health, you can surface in the tunnel. Once you make it through to the other side of the tunnel, go ahead and surface to find a submarine right in your face.

(1 of 2) The “stairs” created by the purple switch are one way on the sub

The “stairs” created by the purple switch are one way on the sub (left), You can also jump from either of the back fins (right)

Your goal is to get on top of the submarine, of which there are two ways. The first involves getting on the boardwalk and finding the purple switch. This will create some blocks right next to you and allows you to reach the submarine. The other method involves jumping on either of the fins in the back of the submarine, then performing a Triple Jump to get on the submarine. Either one will work pretty easily, so once you get on board the submarine, head to the front of it to find the star.

Guide Information

  • Publisher
    Nintendo
  • Platforms
    Switch
  • Genre
    Action Adventure
  • Guide Release
    24 September 2020
  • Last Updated
    25 November 2020
    Version History
  • Guide Author

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This guide for Super Mario 3D All-Stars offers a walkthrough for all three Mario classics.

Inside this guide you will find:

A 100% Walkthrough - For Super Mario 64, Super Mario Sunshine and Super Mario Galaxy.

A complete guide on Super Mario 64, including:

  • A layout of Peach’s Castle, with each course’s location pinpointed, as well as an overview of each course.
  • Walkthroughs for every star, including all courses’ 100-coin star.
  • How to get each of the power-up caps.
  • The location of every single Secret Star found in Peach’s Castle.

A complete guide on Super Mario Galaxy, including:

  • A Dome Overviews page outlining every galaxy found in each Dome.
  • Walkthroughs for every star, including hidden stars and comet stars, found in each galaxy.
  • A guide on how to unlock the Planet of the Trials galaxies.
  • Detailed coin-by-coin walkthroughs of Purple Coin levels.

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