==CODES==

-Level Select-
At the title screen, hold R + up, and press A 7 times, then hold L + up, and press Y 8 times, then 
hold L + R + up, and press B 9 times, and finally hold up, and press X. Note that you'll only have 
about five seconds to enter the code.


==EASTER EGGS==

-Grumble Tricks-
Grumble is the monster who appears while a level loads. 
 
 
To make Grumble angry, hold R and Down on the D-Pad. 
 
 
To make Grumble blink, simply press L or R.

-Monster Sounds-
When the Nickelodeon logo appears on the screen, press any direction on the control pad to start 
the theme music. Now press A, B, X, or Y to make sounds.