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