Our Bowser’s Bullet Bill Brigade stars guide details every Green Star in World 2-Castle in our Super Mario 3D World stars walkthrough.
World 2-Castle contains three Green Stars and a single Stamp to collect. If you’re looking for other Green Stars or stamps from World 2, 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
After you get to the area with the Fire Piranha Plants, take out the fire breathing enemies and grab the first Green Star.
Green Star #2
There is a single crate on top of one of the tanks. Destroy it to find the Green Star.
Green Star #3
Cannon Block required! When you reach green pipe at the end, shoot the back wall with your cannon to reveal the third Green Star.
Stamp Location
There will be a section with a metal grate and the Stamp above it. Run to the front and hop up to the Stamp before the screen moves on.
Check out our World 2-MH: Mystery House Melee guide and World 3-1: Snowball Park 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 |
