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