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.
Get Sora to Level 100.
Collect all Jiminy's Journal entries.
Collect all Ansem Reports in Jiminy's Journal.
Collect all Character entries in Jiminy's Journal.
Defeat Sephiroth in the Platinum Match at Olympus Coliseum.
Obtain all Keyblades.
Obtain all shields.
Obtain all staves.
Defeat the Mysterious Man in Hollow Bastion.
Defeat the Phantom at the Clock Tower.
Defeat Kurt Zisa in Agrabah.
Defeat the Ice Titan in the Gold Match at Olympus Coliseum.
Win the Hades Cup.
Collect all Story entries in Jiminy's Journal.
Obtain 30 or more gummi ship blueprints.
Shoot down over 2,500 enemies with your gummi ship.
Clear gummi ship mission 3.
Clear gummi ship mission 2.
Synthesize all items.
Synthesize 30 types of items.
Synthesize 15 types of items.
Obtain over 10,000 Munny.
Seal the keyhole in 100 Acre Wood.
Collect all Mini-game entries in Jiminy's Journal.
Collect all Trinity List entries in Jiminy's Journal.
Defeat over 2,000 Heartless.
Complete any time trial challenge.
Complete any solo challenge.
Seal the keyhole in Atlantica.
Win the Pegasus Cup.
Synthesize 3 types of items.
Synthesize an item for the first time.
Win the Phil Cup.
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.
Clear all gummi ship routes.
Seal the keyhole in Hollow Bastion.
Collect all 101 Dalmatian entries in Jiminy's Journal.
Obtain the Oathkeeper Keyblade.
Open 100 treasure chests.
Modify a gummi ship and update the data.
Seal the keyhole in Olympus Coliseum.
Win the Hercules Cup.
Seal the keyhole in NeverLand.
Seal the keyhole in Halloween Town.
Escape from Monstro.
Seal the keyhole in Agrabah.
Seal the keyhole in Traverse Town.
Clear gummi ship mission 1.
Seal the keyhole in Deep Jungle.
Seal the keyhole in Wonderland.