Gameguru Mania - cheats

Hello Kitty's Cube Frenzy [GBC]

All Levels
Press Down, Left, Right, Up, B, A, B, Up, Down, Up, Down, Right, Left.

Unlock all three modes of play and every character
Down, Left, Right, Up, B, A, B, Up, Down, Up, Down, Right, Left at Title Screen.