Double Dragon 5

Nine continues:
Press A, Left(2), Down, A(2), Left(2), Down, A at the main menu.
Information in this section was contributed by roger smith.

Boss mode:
Press C, Right, A, B, A, B(2), Left at the main menu. A laugh will confirm correct code entry.

Extra reserve points:
Press Up, C, B, A, Down, A, B, C, Left, C, B, A, Right, A, B, C at the main menu.

No stuns:
Press Left, A, Down(2), A, Right at the main menu.
Information in this section was contributed by roger smith.

No throws:
Press B, A, Down, Left, Up, C at the main menu.
Information in this section was contributed by roger smith.