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