Here is the full list of all 55 KINGDOM HEARTS Dream Drop Distance trophies - there are 47 bronze, 5 silver, 2 gold and 1 platinum.
Obtain all trophies.
Achieve 100% completion in Combat, Story, Items, and Game Records.
Earn a score of 1,000 or higher on the Light Cycle.
Achieve 100% completion in Items.
Obtain all commands.
Max out and install all Support and Spirits abilities.
Achieve 100% completion in Combat.
Complete all Secret Portals as both Sora and Riku.
Obtain all recipes.
Achieve a Rush Level of 20.
Obtain 3,000 or more medals in Flick Rush.
Achieve 100% completion in Story.
Complete The World That Never Was as both Sora and Riku.
Make a purchase at every Moogle Shop.
Complete all Special Portals in The World That Never Was as both Sora and Riku.
Breed a ★ Rank Spirit.
Rescue Spirits 3 times in battle.
Sever all chains with a single slash 3 times in a row using Nightmare's End or Mirage Split.
Obtain all Dream Pieces.
Complete all Special Portals in Symphony of Sorcery as both Sora and Riku.
Complete all Special Portals in Country of the Musketeers as both Sora and Riku.
Defeat 4 or more enemies in one turn of Melody Catcher.
Unlock all nodes on any Spirit's Ability Link board.
Complete all Special Portals in The Grid as both Sora and Riku.
Complete all Special Portals in Prankster's Paradise as both Sora and Riku.
Drop 100 or more times.
Trap 6 or more enemies in Bubble Burst.
Complete all Special Portals in La Cité des Cloches as both Sora and Riku.
Complete all Special Portals in Traverse Town as both Sora and Riku.
Earn a score of 400 or higher in the Water Barrel mini-game.
Earn a score of 200 or higher in the Balloon mini-game.
Achieve a cumulative level of 100.
Earn a score of 800 or higher in the Candy Goggles mini-game.
Defeat 5 or more enemies with a single hit in Slingshot.
Complete Symphony of Sorcery as both Sora and Riku.
View all flashbacks.
Max out a Spirit's Affinity Level.
Complete Country of the Musketeers as both Sora and Riku.
Complete all 7 Link Portal bonus objectives.
Activate all of Wonder Comic's effects at least once.
Revisit and complete Traverse Town as both Sora and Riku.
Rack up 300 or more Drop Points in a single turn.
Use every Training Toy.
Complete Prankster's Paradise as both Sora and Riku.
Complete The Grid as both Sora and Riku.
Activate all Code Break commands.
Complete a dive without taking damage.
Complete La Cité des Cloches as both Sora and Riku.
Create a party with 3 Spirits and make them all very happy.
Connect 6 or more points with a single Faithline.
Win a Flick Rush duel by lining up three 7s.
Complete Traverse Town as both Sora and Riku.
Create a party with 3 Spirits.
Perform an A-Rank dive.
Defeat the phantom Ursula and begin the Mark of Mastery exam.