Here is the full list of all 35 Final Fantasy X-2 HD Remaster trophies - there are 22 bronze, 7 silver, 5 gold and 1 platinum.
Obtain all available trophies
Obtain treasure in the Tonberry area
Reach the 80th floor of Iutycyr Tower and defeat the boss
Reach the 60th floor of Iutycyr Tower and defeat the boss
Reach the 40th floor of Iutycyr Tower and defeat the boss
Reach the 20th floor of Iutycyr Tower and defeat the boss
Reach the 10th floor of Iutycyr Tower
Deal 99999 damage with one attack
Complete Shinra's Bestiary
Achieve a 99 chain attack
Roll the same number on all the Gambler's Dice
Learn 5 Blue Bullet skills
Use Bribe 30 times
Use Mix 30 times
Change dresspheres on Yuna, Rikku, and Paine in one battle
Open the chest that includes the Ribbon in the Bevelle Underground
Complete 100% of the main story
Defeat Trema
Catch the Amazing Chocobo
Obtain Magical Dances, Vol. II
Win 10 times at Sphere Break
Listen to all of Maechen's stories
Obtain all dresspheres
Help Clasko catch a chocobo by the end of Chapter 3
Reach the highest level (LVMAX) in Gunner's Gauntlet
Pay off O'aka's debt
Defeat Vegnagun
Complete an episode in Chapter 5
Win a blitzball match
Defeat Zalamander
Defeat Bahamut
Complete the ability set for one dress
Obtain one special dress
View one complete fiend tale
Defeat YSLS-Zero