World 6 (Super Mario Galaxy 2)

World 6 is the fifth world in Super Mario Galaxy 2. It contains six normal galaxies and one boss galaxy, as usual.

Galaxies

 * Melty Monster Galaxy
 * Throwback Galaxy
 * Clockwork Ruins Galaxy
 * Battle Belt Galaxy
 * Slimy Spring Galaxy
 * Flash Black Galaxy (Hungry Luma)
 * Bowser's Galaxy Generator