Enter the following codes at the Title screen:

Maximum power:

L, R, Left, Right, Y, Y



Unlimited turbo:

L, R, Right, Up, X, X



Big heads:

R, L, Up, Up, Y, Y



Big hits:

L, R, Up, Up, X, Y 



Unlimited spotlight:

L, R, Down, Right, Y, X



Modern film mode:

Y, X, Y, X, Y, X, Right, Left, Right, Left, Right, Left



Classic film mode:

X, Y, X, Y, X, Y, Left, Right, Left, Right, Left, Right



All alternate teams:

X, Y, Down, Down, Down, Down



All stadiums:

R, R, Right, Right, Up, Up, Up, Up, Up, X, X 



All player items:

Left, X, Left, X, Left

Thanks to Revolution readers BIG B., Miguel, and Warner!