Enter any of the following codes at the title screen to get the corresponding effect...
Big heads - R, L, Up(x2), Y(x2)
Big hits - L, R, Up(x2), X, Y
Get all alternate teams - X, Y, Down(x4)
Get all stadiums - R(x2), Right(x2), Up(x5), X(x2)
Infinite spotlight - L, R, Down, Right, Y, X
Maximum power - L, R, Left, Right, Y(x2)
Super turbo - L, R, Right, Up, X(x2)
Unlimited Spotlight
At The Title Screen Enter : L, R, Down, Right, Y, X
Get Old School Ball
At The Title Screen Enter : R, Right, Left, Left, Y, X
Get Eyeball Ball
At The Title Screen Enter : R, Right, Down, up, X, X
Get Huge Hits
At The Title Screen Enter : L, R, Up, Up, X, Y
Get Globe Ball
At The Title Screen Enter : R, Right, Right, Left, X, X
Get beach ball
At The Title Screen Enter : R, Right, Right, Down, Y, X
Get Crate Ball
At The Title Screen Enter : R, Left, Down, Right, Y, X
Get Kid Block Ball
At The Title Screen Enter : R, Left, Right, Right, Y, Y
Different Tsumani Team
At The Title Screen Enter : X, Y, Down, Up, Right, Left
Different Volta Team
At The Title Screen Enter : Y, X, Down, Up, Down, Up
Different Subzero Team
At The Title Screen Enter : Y, Y, Down, Right, Left, Up
Different Spirit Team
At The Title Screen Enter : Y, Y, Down, Down, Left, right
Different El Fuego Team
At The Title Screen Enter : X, X, Down, Down, Right, Left
Different Toxic Team
At The Title Screen Enter : Y, X, Down, Up, Up
Different Teams (All)
At The Title Screen Enter : X, Y, Down, Down, Down, Down
Get Classic Film Mode
At The Title Screen Enter : X, Y, X, Y, X, Y, Left, Right, Left, Right, Left, Right
Get Modern Film Mode
At The Title Screen Enter : Y, X, Y, X, Y, X, Right, Left, Right, Left, Right, Left