World 1 (Super Mario Galaxy 2)

World 1 is a world in Super Mario Galaxy 2.

Galaxies in World 1

 * Sky Station Galaxy
 * Yoshi Star Galaxy
 * Spin-Dig Galaxy
 * Fluffy Bluff Galaxy
 * Flip-Swap Galaxy
 * Rightside Down Galaxy
 * Bowser Jr.'s Fiery Flotilla