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