Here is the full list of all 56 KINGDOM HEARTS FINAL MIX trophies - there are 49 bronze, 4 silver, 2 gold and 1 platinum.
Obtain all trophies.
Clear Final Mix on Proud.
Clear game on Final Mix or a higher difficulty level.
Collect all Jiminy's Journal entries.
Collect all Ansem Reports in Jiminy's Journal.
Collect all Character entries in Jiminy's Journal.
Defeat the Mysterious Man in Hollow Bastion.
Get Sora to Level 100.
Collect all Mini-game entries in Jiminy's Journal.
Defeat Sephiroth in the Platinum Match at Olympus Coliseum.
Obtain all Keyblades.
Defeat Kurt Zisa in Agrabah.
Obtain all staves.
Obtain all shields.
Defeat the Phantom at the Clock Tower.
Defeat the Ice Titan in the Gold Match at Olympus Coliseum.
Synthesize all items.
Complete any time trial challenge.
Obtain 30 or more gummi ship blueprints.
Synthesize 30 types of items.
Synthesize 15 types of items.
Synthesize 3 types of items.
Collect all 101 Dalmatian entries in Jiminy's Journal.
Collect all Trinity List entries in Jiminy's Journal.
Collect all Story entries in Jiminy's Journal.
Seal the keyhole in 100 Acre Wood.
Obtain over 10,000 Munny.
Defeat over 2,000 Heartless.
Complete any solo challenge.
Win the Hades Cup.
Shoot down over 2,500 enemies with your gummi ship.
Clear gummi ship mission 3.
Clear gummi ship mission 2.
Clear the game without changing equipment.
Clear the game without using a continue.
Clear game on Final Mix: Beginner or a higher difficulty level.
Defeat the World of Chaos in the End of the World within 15 hours.
Clear all gummi ship routes.
Seal the keyhole in Hollow Bastion.
Open 100 treasure chests.
Obtain the Oathkeeper Keyblade.
Synthesize an item for the first time.
Seal the keyhole in Olympus Coliseum.
Win the Hercules Cup.
Win the Pegasus Cup.
Seal the keyhole in Atlantica.
Seal the keyhole in NeverLand.
Seal the keyhole in Halloween Town.
Escape from Monstro.
Seal the keyhole in Agrabah.
Win the Phil Cup.
Seal the keyhole in Traverse Town.
Clear gummi ship mission 1.
Modify a gummi ship and update the data.
Seal the keyhole in Deep Jungle.
Seal the keyhole in Wonderland.