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