- Super Nintendo
Sound Test
At the Nickelodeon screen press any direction on the DPad A B X or Y.
Make Grumble Blink
At the screen before the start of a level press L or R.
Make Grumble Open His Eyes Wide
When Grumble appears before a level begins hold R Down. When you release them he'll appear to be angry.
March 31, 2002 - 2:58pm