Complete a Quest for the Princess.
Upgrade a character's Rowdiness.
Upgrade a character's Thumps.
Upgrade a character's Focus.
Upgrade a character's Imagination.
Fully upgrade Finn.
Fully upgrade Jake.
Return from the Dungeon alive.
Fully upgrade Marceline.
Fully upgrade Cinnamon Bun.
Buy something from the shop.
Use a Special Attack.
Perform a Perfect Block.
Grab 50 Treasures on a single Treasure Floor.
Survive a Monster Floor.
Upgrade a Sub-Weapon into a stronger one.
Eat every Food item at least once.
Find all of BMO's Game Cartridges.
Pick up every Item pickup at least once.
Complete the first Quest.
Survive a Dungeon segment (exit at Checkpoint)
Purchase something from Choose Goose
Upgrade Rowdiness once
Upgrade Thumps once
Upgrade Focus once
Upgrade Imagination once
Max out Finn's stats
Max out Jake's stats
Max out Marceline's stats
Max out Cinnamon Bun's stats
Use a Special Attack
Perform a perfect block
Grab 50 treasures worth of Treasure in a Treasure Floor
Survive a Monster Floor
Upgrade a Sub-Weapon to a stronger Sub-Weapon
Eat every different Food item at least once
Find all of BMO's game cartridges
Pick up every type of Item