Dance Dance Revolution - Various codes


 Secret modes:
 Select either arcade or arrange mode. Then, press Select or Up at the 
 difficulty selection screen to display the "Secret Mode" screen. Then, 
 enter one of the following codes to unlock the corresponding mode.
 Information in this section was contributed by Chys Chia. 

   Another mode
   Press Up(2), Down(2), Up(2), Down(2). 

   Maniac mode
   Press Left(2), Right(2), Left(2), Right(2). 

   Double mode
   Press Up(2), Down(2), Left, Right, Left, Right. 

   Mirror mode
   Press Left, Right, Left, Right, Left, Right, Left, Right. 


Codes from Video Game Strategies (http://vgstrategies.miningco.com)