Our Pipeline Lagoon stars guide details every Green Star in World 3-5 in our Super Mario 3D World stars walkthrough.
World 3-5 contains three Green Stars and a single Stamp to collect. If you’re looking for other Green Stars or stamps from World 3, as well as any Cat Shines from Bowser’s Fury, head on over to these pages:
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| Green Stars | Stamps | Cat Shines |
Green Star #1
Before you enter the first green pipe in the underwater section, swim to the top to find a hidden alcove with the first Green Star.
Green Star #2
Cannon Block required! Using the nearby by Cannon Block, destroy the cracked wall above the small sunken ship. Enter the gold pipe to find the Green Star in a golden room.
Green Star #3
Before you enter the pipe that takes you to the flagpole, swim up to find another hidden room. The Green Star will be on your right.
Stamp Location
Before you reach the small sunken ship, swim up to find a hidden room. Here you’ll find a Stamp and the Cannon Block.
Check out our World 3-6: Mount Must Dash guide for green star and stamp locations for the next level.
Use the links below to jump to different sections of our guide.
| Super Mario 3D World + Bowser’s Fury (Guide Hub) |
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Green Stars Walkthrough | ||
| W1 | W2 | W3 | W4 |
| W5 | W6 | W🏰 | W🐲 |
| W🌟 | W🍄 | W🌸 | W👑 |
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Stamps |  |
Cat Shines |
