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