To make the Gromble blink, press L or R on the screen that appears before the start of a level.
To make the Gromble open his eyes wide, hold R + DOWN when
the Gromble appears before a level, or at the options screen.
After releasing these buttons, he'll appear to be angry.
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.
Scare Saving Tip
To save your scares, throw trash. And don't worry if you run out of fish skeletons, you still have garbage! But when in doubt, you can use the scares you saved up.