At the character select screen, press DOWN, UP, RIGHT, [Del] + LEFT. A 'whoosh' sound will confirm the code entry.
8/12/2008
Add Dural on the Records Screen
At the press start screen, press UP 17 times, then press enter. Next, enter the Options Menu; Dural's stats are now present at the Records Screen.
8/12/2008
Edit Ring Size and Stage Select
On the Press Start Screen, press UP 12 times, then press enter. Go to the Options Menu, and move the cursor below the EZXIT option. The cursor will disappear. Press [Del] a secret Options Screen will now be present.