In Atelier Meruru: The Apprentice of Arland for the PS3, they decided to make every unlockable trophy in the game a secret trophy, with the exception of the Platinum trophy.
So, here is the one regular trophy you can unlock in the game.
All Trophies Earned (Platinum) – Obtain all trophies
And here are the other thirty six secret trophies you can unlock in the game.
A Rich Nation (Silver) – Make Arls rich, developing it into an agricultural powerhouse
Admission Ceremony (Bronze) – Reach the initial goal and help Arls merge with Arland
Alchemist! (Gold) – Become an alchemist of Arland and open Atelier Meruru
Atelier Totori (Current) (Bronze) – Hear the stories of Miss Totori and her friends
Boy’s Bath (Silver) – Transform Arls into a grand vacation paradise
Brothers Together (Bronze) – Witness Lias bask in the glow of Rufus’s approval
Castle Life (Silver) – Return to your boring life in the castle
Certain Sisters (Bronze) – Take a peek at Filly and Esty’s intimate sisterhood
Changing the Past (Bronze) – Bring closure to the tragedy of Arls
Closer to God (Bronze) – Stare into the abyss and win out against the evil goddess
Drunkard Legend EX (Bronze) – Suffer the indignity of a drunk’s advances at the tavern
End of the Duel (Bronze) – Encounter a master-pupil showdown between Sterk and Gino
Finally, As Planned (Silver) – Make friends with the forever-14 Rorolina Frixell
Friendship, Love (Bronze) – Help Totori and Mimi get along
Girl’s Bath (Bronze) – Visit the hot spring with a group of all girls
God of the Forest (Bronze) – Put the energetic spirit of the tree into an eternal slumber
How Do I Look..? (Bronze) – Force Keina to wear some princessly clothes
Look into the Past (Bronze) – Glimpse Gio lost in thought at the fort
Masked Man Reappears (Bronze) – Run into Arland’s manly masked crusader
Meruru Statue Complete! (Gold) – Construct a statue of Meruru to mark your achievements
Miss Popular (Gold) – Gain popularity with everyone
Now, Go Bravely (Silver) – Arm Arls to the teeth and take command of it all
Ominous Box (Bronze) – Battle the coffin-bound monster in the mine and emerge victorious
One from the Sky (Bronze) – Ascend to the ancient city and cast down the ruler of the sky
One Normal Day (Bronze) – Let Keina help you change at the workshop
Pie Shop Opens (Bronze) – Construct a Pie Shop and visit with Rorona
Presence of the Flame (Bronze) – Subdue the Volcano Incarnate
Resemblance (Bronze) – Find Rufus and Sterk getting along at the tavern
Rorona Introduction (Bronze) – Watch as a legendary alchemist and her troupe visit the workshop
Secret Tea Party (Bronze) – Stumble upon Rufus’s solitary tea time
Stars Never Change (Bronze) – Gaze at a starry night sky with Keina and reminisce about the past
Strongest Princess (Gold) – Become a hero and the land’s strongest princess
Topsy-Turvy (Gold) – Take Arls’s population to the limit and turn it into a superpower
Waterside Encounter (Bronze) – Discover Hanna as she bathes
Witch’s Tea Party (Gold) – Master alchemy and together become feared as the Four Witches