Here is the full list of all 27 Dandy Ace trophies - there are 10 bronze, 9 silver, 7 gold and 1 platinum.
Unlock all trophies.
Unlock all Trinkets.
Collect all Blueprints.
Unlock all Cards.
Unlock all Yellow Cards.
Unlock all Pink Cards.
Unlock all Blue Cards.
Unlock all of Jolly Jolly's upgrades.
Unlock all of Nnif's upgrades.
Defeat Lele, the Green-Eyed Illusionist for the first time on Nightmare difficulty.
Unlock half of all Cards.
Defeat Lele, the Green-Eyed Illusionist for the first time on Very Hard difficulty.
Defeat Lele, the Green-Eyed Illusionist for the first time on Hard difficulty.
Unlock half of all Nnif's upgrades.
Collect half of all Blueprints.
Unlock half of all Trinkets.
Finish every level in the game at least once.
Get all four Suite Keys.
Defeat Lele, the Green-Eyed Illusionist for the first time on Normal difficulty.
Defeat Severino, the Gatekeeper for the first time.
Beat the Outside Path of the Palace (Courtyard, Garden, Scissorella’s Garden, and the Labyrinth) in a single run.
Unlock half of all Jolly Jolly's upgrades.
Defeat Scissorella, the Royal Gardener for the first time.
Beat the Inside Path of the Palace (Banquet Hall, Art Gallery, Axolangelo's Atelier, and the Guest Lounge) in a single run.
Defeat Axolangelo, the Master of Arts for the first time.
Get the Diamond Key.
Unlock the Permanent Upgrade Tea Potion Sachet 1.