| Unlockable | How to unlock
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| Unlock Berserk | Clear area I.
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| Unlock Nightmare area | Clear area IV.
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| Unlock Nightmare course 1 | Collect at least 80 stars from area I.
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| Unlock Nightmare course 2 | Collect at least 80 stars from area II.
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| Unlock Nightmare course 3 | Collect at least 80 stars from area III.
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| Unlock Nightmare course 4 | Collect at least 80 stars from area IV.
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| Unlock Nightmare course 5 | Collect at least 26 stars from Nightmare courses 1-4.
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| Unlock Speedster | Clear area II.
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| Unlock Time Records | Clear area II.
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| Unlock Uncle Time | Clear area III.
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