At the title screen do this (slightly modified for domestic release's button layout) classic Konami code:
Up, Up, Down, Down, Left, Right, Left, Right, Circle, X, Start.
Once done, a screen will come up showing ''Extra Option'' where there's a Date set and a Display Mode set.
Sound Module Select
Hold L1 and R1 while selecting Original Mode, and you'll unlock an option to change the music played in the game. This works in Arrange mode, as well.
Contributed By: Krunk.
Start with less energy
Enter your name as NOMIS... and you will start the game with much less energy than usual. This in effect will make the game more challenging.
Contributed By: hiro1112.
For every stage you complete in Arranged Mode (there are 26 in all), you will unlock one illustration by Ayami Kojima, the artist for Akumajou Dracula X: Gekka no Yasoukyoku / Castlevania: Symphony of the Night and for Akumajou Dracula X68000 / Castlevania Chronicles.
The illustrations can be accessed by selecting Special Option in the Option menu.
Harder Mode (Original Mode only)
Beat the game at least once. The game will become harder and harder every time you beat it.
Contributed By: Master Bigode.
Successfully complete Arrange Mode to unlock Time Attack Mode where you can try to better your stage clear times.
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