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

Code               - Effect
--------------------------------------
Alternate Costume - Pummel Weed - 400,000 
Alternate Costume - Rubble - 1,200,000 
Animation Video - 200,000 
Cheats Set #2 - 2,000,000 
Cutscene Player - 1,600,000 
Wotnot Book Video - 800,000