Star Ball Slide Galaxy

Star 1: Rolling down the Star Ball Slide
Mario must use, for the first time in the game, the star ball to go down a slide full of goombas, flipswitches and elevators.

Secret Star 1: It's Behind You!
Right at the start of the level, turn round to find a different slide. Complete it to reveal the power star.

Star 2: Gearmo's Sliding Maze
Mario finds Gearmo at the start, who asks Mario if he can fix the slide. You complete the level with many platforms randomly moving and at the end, flip a lever. Gearmo will congratulate you and give you the power star.

Secret Star 2: Defying Gravity on Gearmo's Maze
Mario will find that the first moving platform is slightly rounded, so can make his way round it onto the bottom, where the power star is.

Star 3: Bullet Bill's Death-Defying Gauntlet
It's 'Rolling down the Star Ball Slide' but with lots of Bulls-Eye Bills and Bullet Bills.

Secret Star 3: Big Bill on Star Ball Slide
Mario should go onto the back side of the starting planet and find a sling star, then fight Big Bill.

Star 4: Silver Stars in Star Ball Slide
Mario must find all 5 silver stars by rolling along the slide.

Secret Star 4: Goombas Galore
Mario should turn round where the slide is in 'The Secret Slide' and find a sling star in its place. Then, defeat 20 goombas on the planet you land on to reveal the power star.

Speedy Comet (Red): Gearmo's Sliding Maze Speedrun
Mario must beat "Gearmo's Sliding Maze" in under 3 minutes.

Daredevil Comet (White): Big Bill Daredevil Run
Mario must defeat Big Billwith 1 health bar without getting hit.

Cosmic Comet (Blue): Cosmic Mario Race Of Star Ball Slide Galaxy
Mario must beat Cosmic Mario to that power star.

Fast-Foe Comet (Yellow): Fast-Foes Of The Slide
Mario must get along the slide and avoid fast-foe enemies to that power star.

Purple Comet (Purple): Purple Coins On Star Ball Slide Galaxy
Mario must collect 100 purple coins on Star Ball Slide Galaxy.

Combo Comet (Pink): Combo Of Bom-Ombs
Mario must defeat 50 Bom-Ombs in under 100 seconds.

Flash Comet (Orange): Flashing Surprises on Star Ball Slide
Mario must find the power star on Star Ball Slide Galaxy in the dark wait for flash.

Green Comet (Green): Green Stars
Bosses
 * Green Star 1
 * Green Star 2
 * Green Star 3
 * Green Star 4
 * Green Star 5
 * Green Star 6
 * Green Star 7
 * Green Star 8
 * Green Star 9
 * Green Star 10
 * Green Star 11
 * Green Star 12
 * Green Star 13
 * Green Star 14
 * Green Star 15
 * Big Bill