Unlock More Stages
At the "Press Start" screen, press , Right, Left, . If you
did this correctly, a icon will appear in the top right hand corner of screen.
When the Push Start screen shows up, press:
, Left, Right,
A small icon will show up in the upper right hand corner saying that you have
unlocked new stages. The extra stages are in Puzzle mode.
Unlock More Characters
When the Push Start Screen shows up press:
, Right, Left,
An icon will show up in the upper left hand corner of the screen saying that
you have unlocked new characters.
Thanks to Revolution readers mystic_gohan and teie!