Game Questions & Answers (Q&A) service lets you ask questions about video games for game consoles or PC games. So ask your Super Mario Galaxy 2 question for Nintendo Wii and get answers from real gamers or answer questions and share your insights and experience with the rest of the gaming community.
Question & Answers
Answer from: Parker
The only way is to watch a playthrough for mystery stars.
Answer from: Pro
On the purple blocks don't take the sling star