Collect all trophies
Pull the plug!
Get Finn to level 10
Get Jake to level 10
Get Marceline to level 10
Beat Uncle Gumbald in battle
Get BMO to level 10
Complete all side quests
Take all the penguins to the tree house
Overskronk 4 enemies in a single battle
Light all the braziers in the Fire Kingdom
Use all the pirate lookouts
Dock at all the islands
Beat the Fire Giant in battle
Destroy 250 land destructibles
Beat the Mother Varmint in battle
Find the snail
Use BMO's Analyze.exe
Restore light to the treasure tree
Open 15 treasure chests
Free the caged Mushroom people
Unlock a gate with BMO
Destroy 10 Sea destructibles
Beat 50 enemies in battle
Beat Fern in battle
Destroy 50 land destructibles
Win your first fight against a higher level enemy
Fall in to water more than 10 times
Complete your first side quest
Buy your first item from the shop
Use a pirate lookout
Revive a hero
Inflict more than 1 bunk effect on to a single enemy
Fish out 25 items from the sea
Win your first sea battle
Pass the first Interrogation