Ghost Castle is a level in Yoshi's Story. It features many types of Boo. This level also has a new Boo that only appears in Ghost Castle, called the Blindfold Boo.
At long last, the Yoshis reached the final page and the creepy castle. The castle was haunted by ghosts, but the Yoshis won the spirited fight. And, Bowser was no match for the Yoshis, either. What a big baby!