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