Here is the full list of all 31 The Secret Order: Return to the Buried Kingdom trophies - there are 14 bronze, 10 silver, 6 gold and 1 platinum.
Unlock every Trophy.
You hatched the egg of the new Mother Dragon.
You defeated the Dragon Rider.
You restored the sword.
You got inside the temple.
You healed Skaard.
You saved the Buried Kingdom.
Finish all Minigames without skipping.
You defeated the Skeleton Dragon.
Finish all Hidden Object Puzzles without any Hints.
Find all Collectible items.
Find all Morphing Objects.
You found the temple.
You revealed the dragon egg.
You freed Skaard from his box.
You removed the gem from Droi.
You entered Nezul's Tower.
You calmed the creature in Toadstool's hut.
You helped Dokka collect all the gems.
You successfully got out of the cave.
You've opened the tomb of Nezul.
Finish seven Minigames without skipping.
Finish three Hidden Object Puzzles without any Hints.
You restored the Scorpion Staff.
Finish two Hidden Object Puzzles, each one with less than 10 mistakes.
You calmed Droi.
You found the secret passage.
Finish four Minigames, each one in 60 seconds without skipping.
You entered the Buried Kingdom.
Finish a Hidden Object Puzzle in 90 seconds.
Finish a Minigame in 60 seconds without skipping.