Drive a Shelby Cobra 
While racing on the Enemies Vanquished level, pause the game, then hold 
L and press Right(2), Left(2), Up, then release L.

Drive an SUV 
While racing on the Enemies Vanquished level, pause the game, then hold 
L and press B, X, Y, B, Y, then release L.

Bonus race 
While racing on the Enemies Vanquished level, pause the game, then hold 
L and press X(2), B(2), Y, then release L.

Frantic racing 
While racing on any level, pause the game, then hold 
L and press B, Y, X, B, Y, X, then release L.

Berserk racing 
While racing on any level, pause the game, then hold 
L and press B, Y(2), B, Y, X, then release L.

Trails during racing 
While racing on any level, pause the game, then hold 
L and press B, X(2), B, then release L.

Double armor during racing 
While racing on any level, pause the game, then hold 
L and press X, Y, B, X(2), then release L.

Triple armor during racing 
While racing on any level, pause the game, then hold 
L and press X, Y, B, X(3), then release L.

Quadruple armor during racing 
While racing on any level, pause the game, then hold 
L and press X, Y, B, X(4), then release L.

Super bullets during racing 
While racing on any level, pause the game, then hold 
L and press X(4), then release L.