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