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.
Synthesize all items.
Obtain all shields.
Obtain all staves.
Obtain all Keyblades.
Get Sora to Level 100.
Collect all Jiminy's Journal entries.
Collect all Character entries in Jiminy's Journal.
Defeat the Mysterious Man in Hollow Bastion.
Collect all Ansem Reports in Jiminy's Journal.
Defeat the Ice Titan in the Gold Match at Olympus Coliseum.
Win the Hades Cup.
Collect all Story entries in Jiminy's Journal.
Complete any time trial challenge.
Defeat Sephiroth in the Platinum Match at Olympus Coliseum.
Synthesize 30 types of items.
Seal the keyhole in 100 Acre Wood.
Collect all Mini-game entries in Jiminy's Journal.
Synthesize 15 types of items.
Defeat Kurt Zisa in Agrabah.
Defeat the Phantom at the Clock Tower.
Obtain 30 or more gummi ship blueprints.
Shoot down over 2,500 enemies with your gummi ship.
Seal the keyhole in Atlantica.
Defeat over 2,000 Heartless.
Collect all Trinity List entries in Jiminy's Journal.
Clear all gummi ship routes.
Collect all 101 Dalmatian entries in Jiminy's Journal.
Obtain over 10,000 Munny.
Clear gummi ship mission 3.
Open 100 treasure chests.
Clear gummi ship mission 2.
Win the Pegasus Cup.
Complete any solo challenge.
Synthesize 3 types of items.
Clear the game without changing equipment.
Clear the game without using a continue.
Synthesize an item for the first time.
Win the Phil Cup.
Clear Final Mix on Proud.
Clear game on Final Mix or a higher difficulty level.
Clear game on Final Mix: Beginner or a higher difficulty level.
Defeat the World of Chaos in the End of the World within 15 hours.
Seal the keyhole in Olympus Coliseum.
Win the Hercules Cup.
Seal the keyhole in Hollow Bastion.
Obtain the Oathkeeper Keyblade.
Seal the keyhole in NeverLand.
Seal the keyhole in Halloween Town.
Escape from Monstro.
Seal the keyhole in Agrabah.
Modify a gummi ship and update the data.
Seal the keyhole in Traverse Town.
Clear gummi ship mission 1.
Seal the keyhole in Wonderland.
Seal the keyhole in Deep Jungle.