Motion Blur Mode
     At  the  Options  screen,  select Secret Options, hold Select and
press  Triangle,  Circle,  Right,  Triangle,  Up,  Right,  Circle, Up,
Square.

Increase Opponents AI
     At  the  Options  screen,  select Secret Options, hold Select and
press Circle, Up, Triangle, Circle, Left, Triangle, Square, Square, X,
Down.

All Tracks
     At  the  Options  screen,  select Secret Options, hold Select and
press Triangle, Circle, Circle, Triangle, Down, Up, Up, Down.

Infinite Power-Ups
     At  the  Options  screen,  select Secret Options, hold Select and
press Circle, X, Triangle, Square, X, Left, X, Square, Square, Circle,
Left, Circle, Up, Triangle.

Tough Guys
     At  the  Options  screen,  select Secret Options, hold Select and
press Square, X, R1, Circle, Up, Square, Down, Up, Down, X, Square.

Tanks Mode
     At  the  Options  screen,  select Secret Options, hold Select and
press Down, Up, Square, Triangle, Circle, Triangle, Right, Triangle.

Slow AI
     At  the  Options  screen,  select Secret Options, hold Select and
press  Up,  Left, Triangle, Right, Triangle, Circle, Triangle, Square,
Up, Triangle, Left.