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