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