Without returning to the main menu, clear each of the 5 stages in Yoshi's Island entirely as small Mario without using checkpoints, Starmen, or Yoshis.
Without returning to the main menu, clear each of the 8 stages in Forest of Illusion entirely as small Mario without using checkpoints, Starmen, or Yoshis.
Without returning to the main menu, clear each of the 9 stages in Chocolate Island entirely as small Mario without using checkpoints, Starmen, or Yoshis.
Without returning to the main menu, clear each of the 8 stages in Valley of Bowser entirely as small Mario without using checkpoints, Starmen, or Yoshis.