Our Boiling Blue Bully Bell stars guide details every Green Star in World Castle-4 in our Super Mario 3D World stars walkthrough.
World Castle-4 contains three Green Stars and a single Stamp to collect.
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Hop to the collectible you need:
Green Star 1
Enter the Green Star Ring and collect all eight Green Star Coins on the platforms with the arrows.
Green Star 2
Enter the purple warp block to the left of the platforms with the arrows. Defeat the Bully within ten seconds to earn a Green Star.
Green Star 3
Near the end of the level are spinning platforms. Hop onto the small one to grab the final Green Star of the level.
Stamp Location
While you are running on the platforms with the arrows, notice a small platform on your left. Jump to it to find the Stamp.
What’s Next?
Check out our World Castle-A guide, our World Castle-B guide, our World Castle-C guide, and our World Castle-5: Trick Trap Tower guide for green star and stamp locations for the next level.
If you’re looking for a different page, head over to our other guides in our Super Mario 3D World walkthrough!
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| Green Stars | Stamps | Cat Shines |
