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