Here is the full list of all 56 KINGDOM HEARTS FINAL MIX trophies - there are 49 bronze, 4 silver, 2 gold and 1 platinum.
Defeat the Ice Titan in the Gold Match at Olympus Coliseum.
Complete any time trial challenge.
Defeat Kurt Zisa in Agrabah.
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.
Collect all Story entries in Jiminy's Journal.
Win the Hades Cup.
Collect all Trinity List entries in Jiminy's Journal.
Collect all 101 Dalmatian entries in Jiminy's Journal.
Obtain over 10,000 Munny.
Clear the game without using a continue.
Clear Final Mix.
Clear all gummi ship routes.
Seal the keyhole in Hollow Bastion.
Seal the keyhole in 100 Acre Wood.
Collect all Mini-game entries in Jiminy's Journal.
Obtain the Oathkeeper Keyblade.
Seal the keyhole in Olympus Coliseum.
Complete any solo challenge.
Win the Hercules Cup.
Open 100 treasure chests.
Defeat over 2,000 Heartless.
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.
Seal the keyhole in Agrabah.
Win the Phil Cup.
Seal the keyhole in Traverse Town.
Modify a gummi ship and update the data.
Seal the keyhole in Deep Jungle.
Clear gummi ship mission 1.
Seal the keyhole in Wonderland.
Obtain all trophies.
Clear Final Mix on Proud.
Defeat the Mysterious Man in Hollow Bastion.
Defeat the Phantom at the Clock Tower.
Defeat Sephiroth in the Platinum Match at Olympus Coliseum.
Get Sora to Level 100.
Collect all Jiminy's Journal entries.
Collect all Ansem Reports in Jiminy's Journal.
Collect all Character entries in Jiminy's Journal.
Synthesize all items.
Synthesize 15 types of items.
Synthesize 30 types of items.
Obtain all gummi ship blueprints.
Shoot down over 2,500 enemies with your gummi ship.
Clear gummi ship mission 2.
Clear gummi ship mission 3.
Obtain all Keyblades.
Obtain all staves.
Obtain all shields.