- Bowser cultivates the viruses in an attempt to conquer The
Mushroom Kingdom - once infected, the people of The
Mushroom Kingdom laugh uncontrollably and cant» t stop - Mario studies potential cures with the help of Princess Peach and Daisy - the trio uses the Sky Pop to rain down capsules
over the
kingdom to save the day - one virus escapes and infects Luigi - Mario shrinks down in the Marine Pop to try and save him - Bowser somehow also gets into Luigi's body and Mario battles the viruses to save Luigi's lif
Shifting the focus away from Mario's never - ending battle against Bowser, the game introduces the evil witch Cackletta (and her speaking impaired sidekick, Fawful), as they attempt to take
over both the
Mushroom and Beanbean
Kingdoms.