Level skip
 
 While playing a game and controlling Shaggy, hold L and press C-Up,
 C-Down, C-Up, C-Down, Up, Down, Up, Down, Right, Left, Right, Left.
 
 Infinite courage
 
 While playing a game and controlling Shaggy, hold L and press C-Up,
 C-Left, C-Down, C-Up, C-Down, Up, Right, Down, Left, Up, Left, Down,
 Right, Up, Down.