Extra levels:
Press B, Left, Right, B
at the title screen. Select arcade mode, then choose the new "Another
World" option. Alternatively, press B, C-Left,
C-Right, B at the title screen.
Unlock Monkey:
Win seven straight in the Win Contest, then defeat
Monkey.
Unlock Dragoon:
Win with an undefeated record in Vs COM mode under
the normal difficulty setting.
Unlock Gnome 1:
Win with an undefeated record in Vs COM mode under
the hard difficulty setting.
Unlock Furby:
Defeat Monkey, then get an undefeated record in the
Play Win Contest.
Unlock Gnome 2:
Defeat Furby, then get an undefeated record in the
Play Win Contest.