Change Costume
When selecting your character, press all three punch buttons together. You will get a 7th (and usually darker) costume. For an 8th costume, press all three kick buttons while selecting your character.
Change Stage Background
When playing in VS Mode after you select your fighter, Go to the Stage you want to and hold the L button and press A to change the background color.
Fight a Mid-Boss
Win three matches with an EX Special Finish without any of your bat icons. Your mid-boss will appear and challenge you. The background colors will be different for this match!
Fight Oboro "Shin Bishamon"
To fight against Oboro, choose the punch color if you are on the 1st side or the kick color if you are on the second side, then end the game without losing a single round. You also need to get three ex super or Darkforce finishes. if done correctly, Oboro should challenge you after your last boss.
Play as Oboro "Shin Bishamon"
After you fight against him in arcade mode, go to the Character Select screen and move the curser over to Bishamon. Next hold the L and R Buttons for 5 seconds and press any buttons. You now play as Shin Bishamon. He has different moves now!
Play as Shadow the Soul Stealer
Highlight the Random Select icon at the Character Select screen, and press both the L & R buttons 5 times, holding them down on the 5th time. Then hit all three punches, and the Soul Stealer will appear behind your character. If you win, the Soul Stealer will move to the defeated character and possess him, and you will fight the next match as the character you just defeated.
Random Stage Select
Press the R button before you select your stage in the versus mode.
Speed Up the Credits
Press any button to make the credits scroll by at lightning speed. But hey, show a little respect and read them all the first time you see them!
Winning Pose Select
Press and hold one of the six main buttons after winning to select your pose.