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