Drip Drop Galaxy

The Drip Drop Galaxy is a galaxy in the game Super Mario Galaxy. It is essentially a large planet made almost entirely of water, with a small sandy core and several floating islands. Sitting on the core of this galaxy, which looks like the bottom of the sea, are some boulders, what appears to be a sunken airship, and a volcanic vent. It is inhabited by Penguins, Giant Eels, and various fish.

Giant Eel Outbreak
Giant Eel Outbreak is a level in the game Super Mario Galaxy that takes place in the Drip Drop Galaxy. Giant Eels are underwater and thanks to this, the Penguins can't fish anymore because the eels are eating all the fish. Mario agrees to help out and dives to the bottom of the sea. Mario must get a Koopa Shell and hit one of the Giant Eels with it to defeat it. After Mario has defeated all Giant Eels, the Power Star will appear on top of the sunken ship.