Here is the full list of all 12 Storm Boy trophies - 11 gold and 1 platinum. It takes around 0-0.5 hour to unlock all of the trophies on PlayStation 4.
Get all other Trophies in Storm Boy
Have all 3 Pelicans get angry during the Feeding Mini-Game
Save the Sailors from a Sinking Ship
Have Mr Percival Fetch the ball from underwater 3 times
Dive to the deepest part of the ocean
Find 20 Cockles
Say Goodbye to Mr Percival
Play each Mini-Game once through the Remember menu
Feed all 3 Pelicans once
Change Direction in the Sanctuary Dream mini-game 15 times
Leave an artwork on the beachfront
Stay underwater for the maximum amount of time