Our Switchblack Ruins stars guide details every Green Star in World Castle-2 in our Super Mario 3D World stars walkthrough.
World Castle-2 contains three Green Stars and a single Stamp to collect. If you’re looking for other Green Stars or stamps from World Castle, 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
Fire Flower required! Light the four torches in the small room to have the first Green Star appear.
Green Star #2
There is a small area you can crawl through on the right wall. Do so to find the second Green Star in another room.
Green Star #3
Before you enter the green pipe at the very end, hit the hidden block behind you and use it to reach the Green Star above.
Stamp Location
Before you jump of the moving platform, jump to the right to find a small area with the Stamp.
Check out our World Castle-3: Red-Hot Run 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 |
