All levels in One Player mode
In the main menu, there's a code where the player taps R1 to match the rhythm of certain songs. If entered correctly, an engine will sound and all levels of that locale will be unlocked.
| Effect | Code
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| - Tap R1 to the tune "Happy birthday to you, happy birthday to you".
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| - Tap R1 to the tune "Always look on the bright side of life".
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| - Tap R1 to the unnamed pan flute rhythm played during Hong Kong races.
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| - Tap R1 to the tune "Jingle bells, jingle bells, jingle all the way".
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| - Tap R1 to the tune ""Hark, where the night is falling".
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| - Tap R1 to the tune "Doe, a deer, a female deer".
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