Full list of all 36 Adventure Time: Pirates of the Enchiridion achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Collect all other achievements.
Pull the plug!
Complete all side quests.
Take all the penguins to the tree house.
Get Finn to level 10.
Get Jake to level 10.
Get Marceline to level 10.
Get BMO to level 10.
Beat Uncle Gumbald in battle.
Light all the braziers in the Fire Kingdom.
Dock at all the islands.
Use all the pirate lookouts.
Beat the Fire Giant in battle.
Fall in to water more than 10 times.
Beat the Mother Varmint in battle.
Overskronk 4 enemies in a single battle.
Use BMO's "Analyze.exe".
Inflict more than 1 bunk effect on to a single enemy.
Find Shelby the snail.
Restore light to the treasure tree.
Free the caged Mushroom people.
Open 15 treasure chests.
Unlock a gate with BMO.
Beat Fern in battle.
Beat 50 enemies in battle.
Destroy 250 land destructibles.
Win your first fight against a higher level enemy.
Destroy 10 Sea destructibles.
Buy your first item from the shop.
Complete your first side quest.
Revive a hero.
Use a pirate lookout.
Destroy 50 land destructibles.
Fish out 25 items from the sea.
Win your first sea battle.
Pass the first Interrogation.