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