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