Supermassive Galaxy

Supermassive Galaxy is the first accessible galaxy in World 4 alongside Sweet Mystery Galaxy if you feed the Hungry Luma

Supermassive Galaxy takes inspiration from World 4 of Super Mario Bros. 3 and makes everything big

Normal Stars

The green stars here are typically done in the order 2, 3, 1. Click here for more info on green star routing.

Spin-Dig 1 triggers a Starship Event which moves Mario to the bottom of the Starship and spawns the Toad Brigade

Spin-Dig 2 triggers a Starship Event which moves Mario to the Engine Room and spawns the Spin Drill

List of Galaxies in Super Mario Galaxy 2
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
World 2	Puzzle Plank Galaxy ~ Hightail Falls Galaxy ~ Boulder Bowl Galaxy ~ Cosmic Cove Galaxy ~ Wild Glide Galaxy ~ Honeybloom Galaxy ~ Bowser's Lava Lair
World 3	Tall Trunk Galaxy ~ Cloudy Court Galaxy ~ Haunty Halls Galaxy ~ Freezy Flake Galaxy ~ Rolling Masterpiece Galaxy ~ Beat Block Galaxy ~ Bowser Jr.'s Fearsome Fleet
World 4	Supermassive Galaxy ~ Flipsville Galaxy ~ Starshine Beach Galaxy ~ Chompworks Galaxy ~ Sweet Mystery Galaxy ~ Honeyhop Galaxy ~ Bowser's Gravity Gauntlet
World 5	Space Storm Galaxy ~ Slipsand Galaxy ~ Shiverburn Galaxy ~ Boo Moon Galaxy ~ Upside Dizzy Galaxy ~ Fleet Glide Galaxy ~ Bowser Jr.'s Boom Bunker
World 6	Melty Monster Galaxy ~ Clockwork Ruins Galaxy ~ Throwback Galaxy ~ Battle Belt Galaxy ~ Flash Black Galaxy ~ Slimy Spring Galaxy ~ Bowser's Galaxy Generator
World S	Mario Squared Galaxy ~ Rolling Coaster Galaxy ~ Twisty Trials Galaxy ~ Stone Cyclone Galaxy ~ Boss Blitz Galaxy ~ Flip-Out Galaxy ~ Grandmaster Galaxy