• All Levels

At the password section type (M,D,B,C,8,M,F,4) to get all levels.
  • Final Level

Enter code at the password screen:

5DBY3MT8: Final Level, Scooby V.S. Masked Guy

  • Level one complete

Go to the password section and type in "c, b, b, c, b, b, b, b".