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