Cheat mode
Enter the mission selection screen. Move the pointer over the map to a location that is not a mission area. Hold [Start], press [A], [B], [C], [B], [A]x2, [B], [C], [B], [A], [B], and release [Start]. A sound will confirm correct code entry. Move the pointer over a mission area and hold one of the following buttons to fight that opponent. Note: The button(s) must be held until the mission starts.
Fighter Ace
Hold [A]. For invincibility, hold [Start] + [A].
Super Carrier
Hold [B]. For invincibility, hold [Start] + [B].
Last Fighter
Hold [C]. For invincibility, hold [Start] + [C].