In Arcade Mode Highlight "?" and press start 7 Times then press any P or K to get Marionette.
Get Oboro Bishamon :
In all Modes highlight Bishamon, Hold Start and press any P or K Oboro to obtain Bishamon.
Shadow :
In Arcade Mode Highlight "?" and press start 5 Times then press any P or K to get Shadow.
E.S. options:
Hold the L button, Then select the options menu.
Completion bonuses :
Successfully complete the game 100% to unlock the introduction sequences from the arcade games and pictures in the "Art Gallery".
Illustrations Complete the Tower mode to 100%
Jedah 2 and Pyron 2 Ending In Arcade choose 'Savior' and select 'Savior 2' with either Jedah or Pyron. Try to beat all characters without losing.
Vampire Endings and Intro :
In Arcade choose 'Vampire' and select 'Vampire' with the characters that have available endings. Once all are complete the intro will be available.
Vampire Savior Endings and Intro :
In Arcade choose 'Savior' and select 'Savior' with the characters that have available endings. Once all are complete the intro will be available.