Tubba Blubba's Castle is a castle at the east of Gusty Gulch.Inside the castle are drones.The drones will pick you up and kick you out the castle. Use Lady Bow's invisiblity to dodge them.If you get in to a fight with Tubba Blubba, there is no way you can hurt him.In front of Tubba Blubba's bed there is a key named Yakkey that is use for opening the door to Tubba Blubba's weakness.To get a secret badge in the castle you have to:push a grandfather clock to the side,open a drawer,jump on the other drawer,get on the bed, go on the shelfs,jump on the books,get on another shelf,and go to the left of the shelf to get the Mega Rush badge.