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.
Clear game on Proud Mode or a higher difficulty level.
Clear game on Critical.
Obtain all blueprints.
Obtain an S rank on a gummi ship EX mission for all routes.
Activate Antiform 13 times.
Obtain 5,000 points with skateboard tricks.
Collect all Synthesis Note entries in Jiminy's Journal.
Collect all Character entries in Jiminy's Journal.
Get Sora to Level 99.
Collect all Limit 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 Titan Paradox Cup.
Win the Cerberus Paradox Cup.
Collect all Treasures in Jiminy's Journal.
Collect all Character Link entries in Jiminy's Journal.
Defeat the Lingering Will.
Collect all Heartless entries in Jiminy's Journal.
Defeat all Organization XIII Replica Data.
Complete all Puzzles in Jiminy's Journal.
Collect all Maps in Jiminy's Journal.
Collect all Ansem Reports in Jiminy's Journal.
Defeat Sephiroth.
Satisfy every member of Mushroom XIII.
Win by obtaining all of the opponent's orbs.
Complete the 100 Acre Wood episode.
Win the Pain and Panic Paradox Cup.
Win the Goddess of Fate Cup.
Win the Titan Cup.
Win the Cerberus Cup.
Win the Pain and Panic Cup.
Complete the Space Paranoids episodes.
Collect all Nobody entries in Jiminy's Journal.
Complete the Atlantica episodes.
Complete the Pride Lands episodes.
Clear the game and watch the ending sequence.
Reunite with Riku and Kairi.
Complete the Twilight Town episodes.
Obtain an S rank on a gummi ship mission for all routes.
Complete the Halloween Town episodes.
Complete the Olympus Coliseum episodes.
Complete the Beast's Castle episodes.
Complete the Agrabah episodes.
Complete the Port Royal episodes.
Complete the Land of Dragons episodes.
Complete the Timeless River episode.
Get rescued by the King.
Obtain an S rank on a gummi ship mission.
Complete Roxas's episode.