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