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