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

Effect - Code

Alternate Costume - Kameo - 100,000
Cheats Set #1 - 2,500,000
Concept Video - 1,500,000
Making Backgrounds Video - 500,000
Test Cutscene - 2,000,000
Troll Song - 1,000,000