Ghostly Galaxy

The Ghostly Galaxy is a galaxy in Super Mario Galaxy where Mario turns into a Boo with his new Boo Suit. Pink Boos, UFO spinning tops with Bob-ombs on them, Swoopers, Cosmic Scuttle Bugs, and Pumpkin Heads have been spotted in screenshots. Recent gameplay footage has shown Luigi in a jail cell and calling out for Mario in on a haunted house planet.

Known Levels
1. Luigi and the Haunted Mansion

2. A Very Spooky Sprint

3. Beware of Bouldergeist