For the unlockables below, you have to get the specified score or higher to get 
the unlockable:

Effect - Code
--------------------------------------
Alternate Costume - Chilla - 2,000,000 
Alternate Costume - Deep Blue - 1,000,000 
Character Model Video - 2,500,000 
Cheat Set #4 - 3,000,000 
Evolution of the Characters Video - 500,000 
Music Player - 1,500,000