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 Final Mix.
Defeat the World of Chaos in the End of the World within 15 hours.
Obtain all gummi ship blueprints.
Obtain all Keyblades.
Obtain all staves.
Synthesize all items.
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 the Mysterious Man in Hollow Bastion.
Defeat the Phantom at the Clock Tower.
Defeat Kurt Zisa in Agrabah.
Clear the game without changing equipment.
Clear the game without using a continue.
Clear Final Mix on Beginner.
Defeat Sephiroth in the Platinum Match at Olympus Coliseum.
Defeat the Ice Titan in the Gold Match at Olympus Coliseum.
Win the Hades Cup.
Get Sora to Level 100.
Synthesize 30 types of items.
Shoot down over 2,500 enemies with your gummi ship.
Clear gummi ship mission 3.
Clear gummi ship mission 2.
Collect all Trinity List entries in Jiminy's Journal.
Collect all 101 Dalmatian entries in Jiminy's Journal.
Open 100 treasure chests.
Defeat over 2,000 Heartless.
Collect all Mini-game entries in Jiminy's Journal.
Synthesize 15 types of items.
Obtain over 10,000 Munny.
Collect all Story entries in Jiminy's Journal.
Seal the keyhole in 100 Acre Wood.
Clear all gummi ship routes.
Seal the keyhole in Hollow Bastion.
Obtain the Oathkeeper Keyblade.
Seal the keyhole in Olympus Coliseum.
Win the Hercules Cup.
Win the Pegasus Cup.
Complete any time trial challenge.
Seal the keyhole in Halloween Town.
Seal the keyhole in Never Land.
Seal the keyhole in Atlantica.
Escape from Monstro.
Complete any solo challenge.
Win the Phil Cup.
Synthesize 3 types of items.
Synthesize an item for the first time.
Seal the keyhole in Agrabah.
Seal the keyhole in Traverse Town.
Clear gummi ship mission 1.
Modify a gummi ship and update the data.
Seal the keyhole in Deep Jungle.
Seal the keyhole in Wonderland.