World S

World 7 : Here We Go, also known as Special World, is the seventh world featured in Super Mario Galaxy 2. It is located near the Earth. It holds seven galaxies, the last of which, Grandmaster Galaxy, can only be accessed by taking all the 120 Power Stars and the 120 Green Stars.

Galaxies

 * Mario Squared Galaxy
 * Rolling Coaster Galaxy
 * Twisty Trials Galaxy
 * Stone Cyclone Galaxy
 * Boss Blitz Galaxy
 * Flip-Out Galaxy
 * Grandmaster Galaxy