Robot select
Successfully complete normal mode. Then, press [Right], [Left], [Right], [Left], [A] on controller two at the title screen. Any robot may now be selected in scenario mode.
Remove radar display
Press [Up], [Down], [A]x2, [B] on controller two.
Display destroyed enemies
Press [C], [B], [A], [Z], [Y] on controller two.
Black color
Press [A], [C], [B], [C]x2 on controller two.