Here is the full list of all 31 Rhythm Sprout: Sick Beats & Bad Sweets achievements.
Got all achievements in Rhythm Sprout!
Answered YES on every question at least once.
Answered NO on every question at least once.
Rewatched a cutscene multiple times.
Get to the finish line with every unlockable skin.
Get 25 CDs.
Be very interested in Sugar Daddy's story.
Clear All Bonus Levels.
Get one of the Target Scores in any level (no more, no less).
Get 10 CDs.
Hit 20 Trap Notes in one level.
Clear 10 Levels in Turbo Mode.
Clear 5 Levels in Mirror Mode.
Clear 5 Levels in Random Mode.
Finish the Side Story.
Defeat Mrs. Chili.
Defeat The Power Peppers.
Die several times in a row.
Your love of trap doors knows no bounds.
Finish the Main Story.
Wear an unlockable skin for multiple levels.
Get 100 Stars.
Defeat K-FLOW.
"Defeat" King Sugar Daddy.
Defeat Candy Mama.
Listen to the same loop over and over again.
Get 50 Stars.
Get your first CD.
Defeat Count Arelle.
Fall through Count Arelle's trap door.
Cleared the first level.