Demolition Racer - No Exit
Unlock all game modes
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Press X, R, Y, R, L, R, R, R
at the Press Start screen.
Unlock all extras
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Press L, R, X, L, X, R, X, Y
at the Press Start screen.
Unlock all cars
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Press X, Y, R, R, R, R, X, Y
at the Press Start screen.