Note: This game is also titled Hello Kitty Cube De Cute.
When "Push Start" appears at the title screen, press Up(2), Down(2), Left, Right, Left, Right, Down, Up. If you entered the code correctly, you will hear a sound. Then, press Start to access new options including hidden modes and viewing the ending FMV sequences.
|Infinite Time||80154EF4 007A|
|Infinite Lives P1||800522C0 0005|
|Infinite Lives P2||800522D8 0005|
|Unlock Everything||800632F0 FFFF|