Super Paper Mario Hints

When u r done with chapter 3 and u r off to chapter 4, u notice that the world is in outer space. So when u r going to find a space helmet from the boy, he'll tell u to put Captain Gills, a fish, to put him in a bigger area. Later in the game, u notice that Captain Gills is growing bigger and bigger. Then when finishing the game, Captain Gills will grow babies. How can a fish called a he when it's actually a she? The boy needs to know his fish more.