Ending
Press Run, Left, Right, I, II, Left, Right, I, II at the title screen.
Graphics viewer
Press Run, Left, Left, Right, Right, I, II, I, II at the title screen. Then, use the following sequence to view the next image with each press: I, Left, Right, II, Up, Up, Left, II, Down, Right, II, I, Down, Up, Down, Run, II, I, Up, Run, I, Left, Right, Right, Up, Up, Up, Down, I, Left, Down, II, Run, Right, Down, Left, Right, I, Run.
Sound test
Press Run, I, I, Left, Right, II, II, Right at the title screen.
View story mode opponents
Press Run, I, II, I, II, Right, Left, Right, Left at the title screen.
Ending...