With the help of the wizard Mervin, Mario pulls the Golden Plumber's Helper from the magic sink and saves the Land of Cramalot from evil King Koopa.

When Professor Koopa-arity kidnaps the brilliant criminologist Herlock Sholmes, the Marios turn detective.

Koopa has eaten Dr. T. Garden's secret weapon -- Super Sushi -- and has been transformed into the huge monster "Koopzilla" who is terrorizing the city of Sayonara.

Mario and his friends travel to Mobsterland where they discover the city is being terrorized by the notorious gangster Al Koopone.

Our heroes travel to Desertland where they discover Koop-Tut has enslaved the Desertlanders and is enforcing an evil set of rules known as the Ten Koopmandments.

Koopa has moved his underhandedness under the sea, has captured King Neptune, and is forcing the Mermushrooms to loot the sunken ships of gold coins.

Indiana Mario and his friends travel to Jungleland in search of a legendary golden statuette -- "The Lost Mushroom."