Debug mode:
Begin game play and create a saved game. Reset the Super Nintendo console and wait until the American Sammy logo is fully displayed. Then, press Up, Down, Up, Down, Select, Start on controller two before the logo disappears again. Select the "Continue" option, and press Select. The, press Start on controller two. The word "Debug" will appear next to "Status" to confirm correct code entry. Note: This code also activates invincibility.

Sound test:
Press Select during game play to display the menu. Then, press Start on controller two.

Face Demanicus:
Enter the following password:

hSzz4/FHzSoao/Z1pZpaG
8G8oa/oYwSwRw/AADdpZp
ddddd/ddddddd/ddddddd
dddd4/FF