After Mario successfully destroy Bowser and his gimmicky island. Mario decided to ask his crew which are all toad members along with Luigi, Yoshi and Peach. To rebuild Rix Land! They rebuild W1: Grassland, W2: Sandy Desert, W3: Blizzard Ice, W4: Industrial City, W5: Mountain Canyon. And they also added a brand new world to Rix Land called, W6: Sky Atmosphere! And finally W7: Abstract Space! However! Master Thwomp when he heard the news that his friend Bowser has been defeated by Mario. Master Thwomp got really mad at this. So, he took over Rix Land to get his avenge on Bowser! Mario must stop Master Thwomp!!! Less