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