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