checked-part ->Sound Test: Press A B X or Y on the Nickelodeon screen for sounds. =>Blinking Gromble: Press [L] or [R] on the pre-level screen. Press [R]+D or [L]+D to make his eyes open wide. ->Stage Select: In stage one, reach part 2, make your way to the garbage pile and press [L] [L]+[R] [R]x2 U D [L]+[R] [SELECT] [START]. A scream will sound.