World S (Super Mario Galaxy 2)

World S is the fifth world in Super Mario Galaxy 2. It contains seven normal galaxies.

Galaxies

 * Mario Squared Galaxy
 * Twisty Trials Galaxy
 * Boss Blitz Galaxy
 * Rolling Coaster Galaxy
 * Stone Cyclone Galaxy
 * Flip-Out Galaxy (Hungry Luma)
 * Grandmaster Galaxyr