Level advance
Hold [Down] and power on the Game Boy. Keep holding
[Down], then press [Start] at the title screen to begin
game play at ten levels ahead of the level that was selected.
A small heart will appear with the level number.
Expert mode
Press [Start] to pause game play, then press [Select].
The preview window will not show the next piece when game play
resumes.
Dancers
Dancers doing a Russian dance will appear after completing
a level 9 height 5 B game; or passing 100,000 and 200,000 points
in a type A game.
Slow motion
Hold [Up] and turn on the Game Boy. Keep [Up]
held and press [Start]. Select any level and the game will
be in slow motion.
In-game reset
Press [A] + [B] + [Start] + [Select]
during game play.