Here is the full list of all 24 The Last Guardian trophies - there are 9 bronze, 7 silver, 7 gold and 1 platinum.
Collect all other trophies.
Reach the end of the game in 5 hours or less.
Remove all spears from Trico as quickly as possible.
Paint Trico's entire body.
Collect all of the boy's costumes and equip them.
Reach the end of the game without a game over.
Play the game all the way to the end.
Reach the end of the game in 15 hours or less.
Reach the end of the game in 30 hours or less.
Hear every hint.
Touch all enemy beasts.
Give Trico every single barrel.
Defeat 20 or more suits of armor with Trico's lightning.
Saved from falling by Trico's tail 10 or more times.
Land on Trico's back after being propelled upwards from a cart.
Make Trico put his head in every hole.
Catch Trico...in the act.
Avoid Trico for 3 minutes or longer when he goes wild in an antenna room.
Defeat 10 or more suits of armor by removing their heads.
Have Trico defeat 20 or more suits of armor while they are carrying the boy.
Hit suits of armor with 20 or more barrels or pots.
Have Trico catch a thrown barrel in mid-air 20 times or more.
Cling onto a suit of armor's back for 30 seconds or longer.
Move 10 meters or more while carrying 2 or more stacked barrels.