Super Monkey Ball - Banana Blitz - Platform: Wii

Staff Credits mini-game:
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Successfully complete World 1 to unlock an option for the Staff Credits 
mini-game at the Options menu. 

World 9:
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Complete each of the default eight worlds without using any continues to 
earn a crown in all of them to unlock a ninth world called "Sinking Swamp". 

World 10:
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Complete World 9 without using any continues.

Super characters:
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Successfully complete World 1 through World 9 with only one particular monkey
(either AiAi, Baby, Doctor, GonGon, MiMi, or YanYan) to unlock the "Super" 
version of that character. The "Super" version of that monkey can accelerate
slightly faster.