Here is the full list of all 47 Adventure Time: Explore the Dungeon Because IDK trophies - there are 33 bronze, 11 silver, 2 gold and 1 platinum.
Earn all trophies in the game.
Fully upgrade Lemongrab.
Survive 50 Floors in one Nightosphere run.
Survive 25 Floors in one Nightosphere run.
Fully upgrade Flame Princess.
Fully upgrade LSP.
Survive 15 Floors in one Nightosphere run.
Find all of BMO's Game Cartridges.
Complete all of Princess Bubblegum's Quests.
Collect every Token.
Complete all of Starchy's Quests.
Fully upgrade Cinnamon Bun.
Uncover Bubblegum's dark secret.
Fully upgrade Ice King.
Fully upgrade Jake.
Collect every Sub-Weapon.
Complete all of Susan Strong's Quests.
Overcome the Guardians' punishment.
Free Flame Princess.
Fully upgrade Finn.
Complete all of Mr. Pig's Quests.
Enter the Nightosphere.
Complete all of Tree Trunks' Quests.
Free the Earl of Lemongrab.
Fully upgrade Marceline.
Weather Goliad and Stormo's psychic assault.
Locate every Familiar.
Upgrade a Sub-Weapon into a stronger one.
Rescue the Hyoomans.
Grab 50 Treasures on a single Treasure Floor.
Assist Gunter with a feisty feline.
Eat every Food item at least once.
Survive a Monster Floor.
Pick up every Item pickup at least once.
Put Ice King in his place.
Outrun the stampeding prisoners.
Receive a Curse.
Upgrade a character's Focus.
Upgrade a character's Imagination.
Upgrade a character's Thumps.
Upgrade a character's Rowdiness.
Buy something from the shop.
Outsmart the Demon Cat.
Return from the Dungeon alive.
Complete a Quest for the Princess.
Perform a Perfect Block.
Use a Special Attack.