PlayStation
Make up
Bonus options 
 In the main screen press: Up, Up, Down, Down, Left, Right, Left, Right, Down, Up
 Hello Kitty's Cube Frenzy ps1
    
      Hello Kitty's Cube Frenzy ps1
    
    - ps1
- gbc
Exit date: March 31 1999
Make up
Bonus options 
 In the main screen press: Up, Up, Down, Down, Left, Right, Left, Right, Down, Up
 Hello Kitty's Cube Frenzy ps1
    
      Hello Kitty's Cube Frenzy ps1
    
    Exit date: March 31 1999