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