Here is the full list of all 51 Kingdom Hearts II Final Mix trophies - there are 40 bronze, 8 silver, 2 gold and 1 platinum.
Obtain all trophies.
Get Sora to Level 99.
Collect all Synthesis Note entries in Jiminy's Journal.
Collect all Minigame entries in Jiminy's Journal.
Collect all Mission entries in Jiminy's Journal.
Win the Hades Paradox Cup.
Win the Cerberus Paradox Cup.
Win the Titan Paradox Cup.
Win the Pain and Panic Paradox Cup.
Collect all Treasures in Jiminy's Journal.
Defeat all Organization XIII Replica Data.
Collect all Heartless entries in Jiminy's Journal.
Collect all Character Link entries in Jiminy's Journal.
Satisfy every member of Mushroom XIII.
Collect all Character entries in Jiminy's Journal.
Defeat the Lingering Will.
Defeat Sephiroth.
Win the Goddess of Fate Cup.
Complete all Puzzles in Jiminy's Journal.
Collect all Maps in Jiminy's Journal.
Obtain 5,000 points with skateboard tricks.
Collect all Limit entries in Jiminy's Journal.
Obtain an S rank on a gummi ship EX mission for all routes.
Obtain all blueprints.
Obtain an S rank on a gummi ship mission for all routes.
Complete the Atlantica episodes.
Clear game on Proud.
Clear game on Critical.
Activate Antiform 13 times.
Win by obtaining all of the opponent's orbs.
Win the Titan Cup.
Win the Cerberus Cup.
Win the Pain and Panic Cup.
Clear the game and watch the ending sequence.
Collect all Ansem Reports in Jiminy's Journal.
Reunite with Riku and Kairi.
Collect all Nobody entries in Jiminy's Journal.
Obtain an S rank on a gummi ship mission.
Complete the Twilight Town episodes.
Complete the Space Paranoids episodes.
Complete the 100 Acre Wood episode.
Complete the Pride Lands episodes.
Complete the Halloween Town episodes.
Complete the Agrabah episodes.
Complete the Olympus Coliseum episodes.
Complete the Port Royal episodes.
Complete the Beast's Castle episodes.
Get rescued by the King.
Complete the Land of Dragons episodes.
Complete the Timeless River episode.
Complete Roxas's episode.