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